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Journal articles on the topic 'Lake Valley'

Author: Grafiati

Published: 2 June 2025

Last updated: 31 July 2025

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1

Lyons, W. B., S. W. Tyler, R. A. Wharton, D. M. McKnight, and B. H. Vaughn. "A Late Holocene desiccation of Lake Hoare and Lake Fryxell, McMurdo Dry Valleys, Antarctica." Antarctic Science 10, no. 3 (1998): 247–56. http://dx.doi.org/10.1017/s0954102098000340.

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Stable isotope data from waters of lakes in the McMurdo Dry Valleys (MDV) of southern Victoria Land, Antarctica are presented in order to establish the climatic history of this region over the past two millennia. New data from Lake Fryxell and Lake Hoare in Toylor Valley, along with previously published data from Lake Vanda, Wright Valley and Lake Bonney, Taylor Valley are used to infer the recent climatic history of MDV. Lakes Vanda, Fryxell and Bonney appear to have lost their ice covers and evaporated to small, hypersaline ponds by 1000 to ~1200 yr BP. Lake Hoare either desiccated or did no

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2

Dugan, H. A., M. K. Obryk, and P. T. Doran. "Lake ice ablation rates from permanently ice-covered Antarctic lakes." Journal of Glaciology 59, no. 215 (2013): 491–98. http://dx.doi.org/10.3189/2013jog12j080.

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AbstractIn the McMurdo Dry Valleys of Antarctica, three large, permanently ice-covered, closed-basin lakes exist along the floor of Taylor Valley. Lake ice ablation (loss of ice mass) is calculated as the sum of sublimation and surface melt, and is the driver of ice-cover turnover in these systems. In Taylor Valley, both manual and automated lake ice ablation rates have been calculated from 2001 to 2011. Results indicate relatively consistent winter ablation of 0.07–0.21 m (0.2–0.7 mm w.e. d−1). Summer ablation of lake ice is more variable and ranges from 0.25 to 1.62 m (5–31 mm w.e. d−1) over

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3

Laiti, L., D. Zardi, M. de Franceschi, G. Rampanelli, and L. Giovannini. "Analysis of the diurnal development of a lake-valley circulation in the Alps based on airborne and surface measurements." Atmospheric Chemistry and Physics 14, no. 18 (2014): 9771–86. http://dx.doi.org/10.5194/acp-14-9771-2014.

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Abstract. This study investigates the thermal structures of the atmospheric boundary layer (ABL) and the near-surface wind field associated with a lake-valley circulation in the south-eastern Italian Alps – the so-called Ora del Garda. Two flights of an equipped motorglider allowed for the exploration of the diurnal evolution of this circulation, from the onset, on Lake Garda's shoreline, throughout its development along the Sarca Valley and Lakes Valley (Valle dei Laghi), to the outflow into the Adige Valley. At the same time, surface observations, both from a targeted field campaign and from

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4

Aguilar, Germán, Joseph Martinod, Matías Gallardo, and Christian Sue. "Chronology of the Bayo River valley deglaciation and implications for the Late Pleistocene Atlantic-to-Pacific drainage reversal of the General Carrera-Buenos Aires palaeolake, Patagonia-Chile." Andean Geology 50, no. 1 (2023): 1. http://dx.doi.org/10.5027/andgeov50n1-3460.

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We present a study on the glacial and paraglacial geomorphology of a Patagonian Cordillera Valley that is key to understanding evolution of the great lakes of Patagonia. 10Be cosmogenic nuclide exposure ages of ice-moulded surfaces from the Bayo River Valley confirm that the valley became ice-free before 13.4-14.2 ka. This valley constituted the first outlet of the Chelenko Lake, precursor of the General Carrera-Buenos Aires Lake (GCBAL), toward the Pacific Ocean. This age constrains the timing of the lake drainage reversal from the Atlantic Ocean to the Pacific Ocean. Alluvial fans and terrac

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5

Hall, B. L., G. H. Denton, and B. Overturf. "Glacial Lake Wright, a high-level Antarctic lake during the LGM and early Holocene." Antarctic Science 13, no. 1 (2001): 53–60. http://dx.doi.org/10.1017/s0954102001000086.

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We report evidence of a large proglacial lake (Glacial Lake Wright) that existed in Wright Valley in the McMurdo Dry Valleys region of Antarctica at the last glacial maximum (LGM) and in the early Holocene. At its highstands, Glacial Lake Wright would have stretched 50 km and covered c. 210 km2. Chronology for lake-level changes comes from 30 AMS radiocarbon dates of lacustrine algae preserved in deltas, shorelines, and glaciolacustrine deposits that extend up to 480 m above present-day lakes. Emerging evidence suggests that Glacial Lake Wright was only one of a series of large lakes to occupy

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6

Fleisher, P. Jay. "Evidence of An Ice-Dammed Lake and Laurentide Readvance Upper Susquehanna Valley, New York State." Journal of Geography and Geology 14, no. 2 (2022): 52. http://dx.doi.org/10.5539/jgg.v14n2p52.

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Landforms and well logs document a system of ice-contact and proglacial lakes in the upper Susquehanna valley during Laurentide Ice Sheet retreat from the Appalachian Plateau, central New York State.&nbsp; Recessional moraines formed dams for all lakes, except a newly revealed &ldquo;Ancestral Goodyear Lake&rdquo; retained behind an ephemeral ice dam stranded at Colliersville.&nbsp; A prominent dead-ice sink currently occupies the valley floor at the dam site  Ancestral Goodyear Lake held a stable lake level at 1360 feet as represented by thick lake sediments perche

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7

Roshchyna, N. O., and B. O. Baranovski. "Hydrological and hydrobotanic typology of the lake of North-Steppe Dnieper region." Ecology and Noospherology 30, no. 2 (2019): 125–31. http://dx.doi.org/10.15421/031921.

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This article is devoted to the typology of lakes of the North-Steppe Dnieper. In developing the typology of lakes, the parameters were taken into account: landscape location, hydro-chemical and hydro-biological characteristics and the degree of their anthropogenic transformation. The data presented are based on the processing of stationary and route research materials from 1998 to 2018 on the lakes of river valleys: Dnieper, Samara, and Orel. Hydrological indicators are analyzed according to the literature, cartographic and archival data of the Dneprodiprovodkhoz Institute and the Biology Rese

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8

Oaks, Robert, Susanne Jänecke, Tammy Rittenour, Thad Erickson, and Michelle Nelson. "Implications and hydrographs for two Pre-Bonneville pluvial lakes and double geosols from 14 OSL-IRSL ages in Cache Valley, NE Bonneville Basin." Geosites 51 (January 14, 2024): 1–24. http://dx.doi.org/10.31711/ugap.v51i.142.

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In the northeastern Great Basin, USA, thirteen new optically stimulated luminescence (OSL) ages and one infrared stimulated luminescence (IRSL) age show that two deep pluvial lakes preceded the Bonneville lake cycle in Cache Valley during marine oxygen-isotope stages (MIS) 6 (123-191 ka) and 4 (56-71 ka), respectively. Our new data define quantitative hydrographs of the Little Valley and Cutler Dam lake cycles in both Cache Valley and the main Bonneville basin. In western Cache Valley, excavation of a faulted, east-plunging spit has sequentially exposed these deposits and overlying MIS 3 Field

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9

Doran, Peter T., Christopher P. McKay, Andrew G. Fountain, et al. "Hydrologic response to extreme warm and cold summers in the McMurdo Dry Valleys, East Antarctica." Antarctic Science 20, no. 5 (2008): 499–509. http://dx.doi.org/10.1017/s0954102008001272.

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AbstractThe meteorological characteristics and hydrological response of an extreme warm, and cold summer in the McMurdo Dry Valleys are compared. The driver behind the warmer summer conditions was the occurrence of down-valley winds, which were not present during the colder summer. Occurrence of the summer down-valley winds coincided with lower than typical mean sea level pressure in the Ross Sea region. There was no significant difference in the amount of solar radiation received during the two summers. Compared to the cold summer, glaciological and hydrological response to the warm summer in

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10

Stone, Michael S., Peter T. Doran, and Krista F. Myers. "Rethinking the Lake History of Taylor Valley, Antarctica During the Ross Sea I Glaciation." Geosciences 15, no. 1 (2025): 9. https://doi.org/10.3390/geosciences15010009.

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The Ross Sea I glaciation, marked by the northward advance of the Ross Ice Sheet (RIS) in the Ross Sea, east Antarctica, corresponds with the last major expansion of the West Antarctic Ice Sheet during the last glacial period. During its advance, the RIS was grounded along the southern Victoria Land coast, completely blocking the mouths of several of the McMurdo Dry Valleys (MDVs). Several authors have proposed that very large paleolakes, proglacial to the RIS, existed in many of the MDVs. Studies of these large paleolakes have been key in the interpretation of the regional landscape, climate,

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11

Laiti, L., D. Zardi, M. de Franceschi, and G. Rampanelli. "Analysis of the diurnal development of the <i>Ora del Garda</i> wind in the Alps from airborne and surface measurements." Atmospheric Chemistry and Physics Discussions 13, no. 7 (2013): 19121–71. http://dx.doi.org/10.5194/acpd-13-19121-2013.

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Abstract. A lake-breeze and valley-wind coupled circulation system, known as Ora del Garda, typically arises in the late morning from the northern shorelines of Lake Garda (southeastern Italian Alps), and then channels into the Sarca and Lakes valleys to the north. After flowing over an elevated saddle, in the early afternoon this wind breaks out from the west into the nearby Adige Valley, hindering the regular development of the local up-valley wind by producing a strong and gusty anomalous flow in the area. Two targeted flights of an equipped motorglider were performed in the morning and aft

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12

Karig, Daniel E., and Todd S. Miller. "Northward subglacial drainage during the Mackinaw Interstade in the Cayuga basin, central New York, USA." Canadian Journal of Earth Sciences 57, no. 8 (2020): 981–98. http://dx.doi.org/10.1139/cjes-2019-0111.

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The history of deglaciation in the Finger Lakes region since the Valley Heads readvance is questioned by recent research in the Cayuga basin, which concludes that, instead of forming a series of proglacial lakes, drainage during the Mackinaw Interstade was into the Laurentide ice sheet. First suspected in the Dryden–Virgil Valley where there is an absence of a lake outlet or surficial lacustrine deposits, this conclusion was explicitly revealed in the Sixmile–Willseyville trough where ice margin channels funneled water into the ice front. Further support was found in the Cayuga Inlet Valley, w

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13

Dugan, H. A., P. T. Doran, B. Wagner, et al. "27 m of lake ice on an Antarctic lake reveals past hydrologic variability." Cryosphere Discussions 8, no. 4 (2014): 4127–58. http://dx.doi.org/10.5194/tcd-8-4127-2014.

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Abstract. Lake Vida, located in Victoria Valley, is one of the largest lakes in the McMurdo Dry Valleys. Unlike other lakes in the region, the surface ice extends at least 27 m, which has created an extreme and unique habitat by isolating a liquid-brine with salinity of 195 g L−1. Below 21 m, the ice is marked by well-sorted sand layers up to 20 cm thick, within a matrix of salty ice. From ice chemistry, isotopic abundances of 18O and 2H, ground penetrating radar profiles, and mineralogy, we conclude that the entire 27 m of ice formed from surface runoff, and the sediment layers represent the

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14

Riedel, Jon L., John J. Clague, and Brent C. Ward. "Timing and extent of early marine oxygen isotope stage 2 alpine glaciation in Skagit Valley, Washington." Quaternary Research 73, no. 2 (2010): 313–23. http://dx.doi.org/10.1016/j.yqres.2009.10.004.

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Twenty-two new radiocarbon ages from Skagit valley provide a detailed chronology of alpine glaciation during the Evans Creek stade of the Fraser Glaciation (early marine oxygen isotope stage (MIS) 2) in the Cascade Range, Washington State. Sediments at sites near Concrete, Washington, record two advances of the Baker valley glacier between ca. 30.3 and 19.5 cal ka BP, with an intervening period of glacier recession about 24.9 cal ka BP. The Baker valley glacier dammed lower Skagit valley, creating glacial Lake Concrete, which discharged around the ice dam along Finney Creek, or south into the

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15

Dieser, Markus, Andreas Nocker, John C. Priscu, and Christine M. Foreman. "Viable microbes in ice: application of molecular assays to McMurdo Dry Valley lake ice communities." Antarctic Science 22, no. 5 (2010): 470–76. http://dx.doi.org/10.1017/s0954102010000404.

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AbstractThe permanent ice covers of the McMurdo Dry Valley lakes, Antarctica, are colonized by a diverse microbial assemblage. We collected ice cores from Lakes Fryxell, Hoare and Bonney. Propidium monoazide (PMA) was used in combination with quantitative PCR (qPCR) and denaturing gradient gel electrophoresis (DGGE) to examine membrane integrity of prokaryotes in these extreme environments. PMA selectively penetrates cells with compromised membranes and modifies their DNA resulting in the suppression of PCR amplification. Our results based on analysis of 16S rRNA genes demonstrate that despite

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16

UL-ARAB, NAFATH, IRFAN AHMAD, TASADUQ H. SHAH, et al. "Assessment of genetic variation in Schizothorax Esocinus Heckel, 1838 from Dal and Manasbal lakes of Kashmir." Indian Journal of Animal Sciences 92, no. 2 (2022): 263–67. http://dx.doi.org/10.56093/ijans.v92i2.122108.

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Schizothorax esocinus (Churru snow trout) Heckel, 1838 is a key freshwater species in the valley of Kashmir. The present study aimed to evaluate the genetic variability in the fish from the two eminent lakes of Kashmir valley namely Dal and Manasbal lakes, having different trophic gradients using biochemical (genetic) marker (SDSPage). The electrophoretic analysis revealed 6 bands of molecular weights ranging from 13 to 150 kDa for Dal lake and 8 bands of molecular weights ranging from 15 to 150 kDa for Manasbal lake. The Rf value ranged from 0.15321 to 0.70625 for sampled fishes of Dal lake a

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17

Ku, Teh-Lung, Shangde Luo, Tim K. Lowenstein, Jianren Li, and Ronald J. Spencer. "U-Series Chronology of Lacustrine Deposits in Death Valley, California." Quaternary Research 50, no. 3 (1998): 261–75. http://dx.doi.org/10.1006/qres.1998.1995.

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Uranium-series dating on a 186-m core (DV93-1) drilled from Badwater Basin in Death Valley, California, and on calcareous tufas from nearby strandlines shows that Lake Manly, the lake that periodically flooded Death Valley during the late Pleistocene, experienced large fluctuations in depth and chemistry over the last 200,000 yr. Death Valley has been occupied by a long-standing deep lake, perennial shallow saline lakes, and a desiccated salt pan similar to the modern valley floor. The average sedimentation rate of about 1 mm/yr for core DV93-1 was punctuated by episodes of more-rapid accumula

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18

Kehew, Alan E., Linda P. Nicks, and W. Thomas Straw. "Palimpsest tunnel valleys: evidence for relative timing of advances in an interlobate area of the Laurentide ice sheet." Annals of Glaciology 28 (1999): 47–52. http://dx.doi.org/10.3189/172756499781821940.

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AbstractDuring retreat from the lateWisconsinan maximum advance in the Great Lakes region of North America, the Laurentide ice sheet margin became distinctly lobate. The Lake Michigan, Saginaw, and Huron—Erie lobes converged in southern Michigan and Indiana, U.S.A. to form a complex interlobate region. Some time after the glacial maximum, the Lake Michigan lobe advanced over landscapes previously formed by the Saginaw lobe. This can be explained by an asynchronous advance of the Lake Michigan lobe during a Saginaw lobe retreat or by an increase in size of the Lake Michigan lobe relative to the

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19

Tribe, Selina. "Eocene paleo-physiography and drainage directions, southern Interior Plateau, British Columbia." Canadian Journal of Earth Sciences 42, no. 2 (2005): 215–30. http://dx.doi.org/10.1139/e04-062.

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A map of reconstructed Eocene physiography and drainage directions is presented for the southern Interior Plateau region, British Columbia south of 53°N. Eocene landforms are inferred from the distribution and depositional paleoenvironment of Eocene rocks and from crosscutting relationships between regional-scale geomorphology and bedrock geology of known age. Eocene drainage directions are inferred from physiography, relief, and base level elevations of the sub-Eocene unconformity and the documented distribution, provenance, and paleocurrents of early Cenozoic fluvial sediments. The Eocene la

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20

Lützow, Natalie, Bretwood Higman, Martin Truffer, et al. "Larger lake outbursts despite glacier thinning at ice-dammed Desolation Lake, Alaska." Cryosphere 19, no. 3 (2025): 1085–102. https://doi.org/10.5194/tc-19-1085-2025.

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Abstract. Many glaciers dam lakes at their margins that can drain suddenly. Due to the downwasting of these glacier dams, the magnitude of glacier lake outburst floods may change. Judging from repeat satellite observations, most ice-dammed lakes with repeated outbursts have decreased in area, volume, and flood size. Yet, we find that some lakes oppose this trend by releasing progressively larger volumes over time, and elevating downstream hazards. One of these exceptions is Desolation Lake, southeastern Alaska, having drained at least 48 times since 1972 with progressively larger volumes despi

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Amos, Kathryn, Carley Goodwin, and Angel Soria. "Incised valleys in marginal-lacustrine depositional environments: a new reservoir analogue from Lake Eyre, central Australia." APPEA Journal 52, no. 1 (2012): 513. http://dx.doi.org/10.1071/aj11040.

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Incised-valley fill deposits can form important hydrocarbon reservoirs and provide pathways for hydrocarbon migration. Incised-valleys formed in marginal-marine environments are well described, however, marginal-lacustrine incised-valleys have been the focus of extremely few investigations and are poorly understood. This paper provides a new description of incised-fluvial systems that are presently constructing terminal deposits in embayments around the shoreline of Lake Eyre, central Australia. It is anticipated that better awareness of such deposits will assist in the recognition of these de

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22

Kehew, Alan E. "Glacial-Lake Outburst Erosion of the Grand Valley, Michigan, and Impacts on Glacial Lakes in the Lake Michigan Basin." Quaternary Research 39, no. 1 (1993): 36–44. http://dx.doi.org/10.1006/qres.1993.1004.

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AbstractGeomorphic and sedimentologic evidence in the Grand Valley, which drained the retreating Saginaw Lobe of the Laurentide Ice Sheet and later acted as a spillway between lakes in the Huron and Erie basins and in the Michigan basin, suggests that at least one drainage event from glacial Lake Saginaw to glacial Lake Chicago was a catastrophic outburst that deeply incised the valley. Analysis of shoreline and outlet geomorphology at the Chicago outlet supports J H Bretz's hypothesis of episodic incision and lake-level change. Shoreline features of each lake level converge to separate outlet

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23

Pugh, Heather E., Kathleen A. Welch, W. Berry Lyons, John C. Priscu, and Diane M. McKnight. "The biogeochemistry of Si in the McMurdo Dry Valley lakes, Antarctica." International Journal of Astrobiology 1, no. 4 (2002): 401–13. http://dx.doi.org/10.1017/s1473550403001332.

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The biogeochemical dynamics of Si in temperate lakes is well documented and the role of biological uptake and recycling is well known. In this paper we examine the Si dynamics of a series of ice-covered, closed-basin lakes in the McMurdo Dry Valley region (~78° S) of Antarctica. Our data and calculations indicate that biological uptake of Si is not a major process in these lakes. Mass balance considerations in Lake Hoare, the youngest and the freshest lake, suggest that annual stream input during relatively low-flow years is minor and that Si dynamics is greatly influenced by hydrological vari

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24

Dugan, H. A., P. T. Doran, B. Wagner, et al. "Stratigraphy of Lake Vida, Antarctica: hydrologic implications of 27 m of ice." Cryosphere 9, no. 2 (2015): 439–50. http://dx.doi.org/10.5194/tc-9-439-2015.

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Abstract. Lake Vida, located in Victoria Valley, is one of the largest lakes in the McMurdo dry valleys and is known to contain hypersaline liquid brine sealed below 16 m of freshwater ice. For the first time, Lake Vida was drilled to a depth of 27 m. Below 21 m the ice is marked by well-sorted sand layers up to 20 cm thick within a matrix of salty ice. From ice chemistry, isotopic composition of δ18O and δ2H, and ground penetrating radar profiles, we conclude that the entire 27 m of ice formed from surface runoff and the sediment layers represent the accumulation of surface deposits. Radiocar

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25

Wriston, Teresa, and Geoffrey M. Smith. "Late Pleistocene to Holocene history of Lake Warner and its prehistoric occupations, Warner Valley, Oregon (USA)." Quaternary Research 88, no. 3 (2017): 491–513. http://dx.doi.org/10.1017/qua.2017.59.

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AbstractDuring the late Pleistocene, Warner Valley (Oregon, USA) was filled by Lake Warner; however, little is known about its rise and fall and how its changing lake levels effected the distribution of the valley’s earliest occupants. The discovery of Paleoindian projectile points along ancient shorelines of the lake spurred us to examine them for geochronological controls to aid in constructing the lake’s history. We found that Lake Warner filled the valley floor between ca. 30,000 and 10,300 cal yr BP, probably reaching its maximum ca. 17,000–16,100 cal yr BP before it began to recede. Peop

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26

Stumpf, Andrew J., and Ahmed Ismail. "High-resolution seismic reflection profiling: an aid for resolving the Pleistocene stratigraphy of a buried valley in central Illinois, USA." Annals of Glaciology 54, no. 64 (2013): 10–20. http://dx.doi.org/10.3189/2013aog64a602.

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Abstract High-resolution seismic reflection (HRSR) data acquired over the Pesotum Bedrock Valley in central Illinois, USA, helped construct the seismic stratigraphy of a valley fill and the overlying sediments. Integrating these data with drilling and borehole geophysics allowed us to develop a seismo-stratigraphic classification for sediments on undulating and folded bedrock. Seven seismo-stratigraphic units that overlie the bedrock surface were characterized. Seismic units A and B include glacial sediments of multiple Pleistocene glaciations above the Pesotum Bedrock Valley, which completely

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27

Choiński, Adam. "Ice phenomena on Lake Wielki Staw in the Valley of Five Polish Lakes." Limnological Review 17, no. 2 (2017): 71–77. http://dx.doi.org/10.1515/limre-2017-0007.

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AbstractThe paper presents an analysis of the ice phenomena on Lake Wielki Staw in the Valley of Five Polish Lakes based on observations of the Institute of Meteorology and Water Management conducted in the years 1971–1979. The dates of commencement and decline of ice phenomena and ice cover and their persistence were determined. For 1978 and 1979, changes in the ice cover were determined, i.e. from development to decline. Due to the close vicinity of Lake Morskie Oko, comparisons were performed in terms of variability of ice phenomena of both of the lakes. The study showed among others that a

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28

Zaginaev, Vitalii, Kristyna Falatkova, Bohumir Jansky, Miroslav Sobr, and Sergey Erokhin. "Development of a Potentially Hazardous Pro-Glacial Lake in Aksay Valley, Kyrgyz Range, Northern Tien Shan." Hydrology 6, no. 1 (2019): 3. http://dx.doi.org/10.3390/hydrology6010003.

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Debris flows caused by glacial lake outburst floods (GLOFs) are common hazards in mountain environments. The risk posed by glacial lake outburst hazards is particularly evaluated where the lower reaches of catchments are populated. A potentially dangerous lake has been identified adjacent to the Uchitel Glacier in Northern Tien Shan. This lake formed between 1988 and 1994 on the site of a retreated glacier in the upper part of the Aksay Valley. In this study we consider the possibility of an outburst of this pro-glacial lake in the future. The study involved bathymetry mapping of the lake, det

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29

Zumpfe, Daniel E., and John D. Horel. "Lake-Breeze Fronts in the Salt Lake Valley." Journal of Applied Meteorology and Climatology 46, no. 2 (2007): 196–211. http://dx.doi.org/10.1175/jam2449.1.

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Abstract Winds at the Salt Lake City International Airport (SLC) during the April–October period from 1948 to 2003 have been observed to shift to the north (up-valley direction) between late morning and afternoon on over 70% of the days without precipitation. Lake-breeze fronts that develop as a result of the differential heating between the air over the nearby Great Salt Lake and that over the lake’s surroundings are observed at SLC only a few times each month. Fewer lake-breeze fronts are observed during late July–early September than before or after that period. Interannual fluctuations in

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30

Fulton, Robert J., Barry G. Warner, Helen J. Kubiw, and René A. Achard. "Geology and paleoecology of early Holocene lacustrine deposits in the Columbia River valley near Fauquier, southern British Columbia." Canadian Journal of Earth Sciences 26, no. 2 (1989): 257–65. http://dx.doi.org/10.1139/e89-021.

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Early Holocene lake sediments are exposed near Fauquier, on the east side of the Arrow lakes in the Columbia River valley of British Columbia. A glacial lake occupied the valley at the time of deglaciation, but by 10 ka BP this had been replaced by a nonglacial lake that was at least 250 km long and as much as 5 km wide.Comparison of pollen and macroscopic plant remains in these nearshore and littoral deposits with modern vegetation indicates that many of the plants present between 9 and 10 ka BP are found in the area today, either along the valley floor or at higher elevations in the subalpin

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31

Choiński, Adam, and Artur Zieliński. "Transformation of the morphometry of Lake Osieckie – largest lake in the Holy Cross region." Limnological Review 21, no. 4 (2021): 181–87. http://dx.doi.org/10.2478/limre-2021-0017.

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Abstract The paper presents the analysis of the transformation of Lake Osieckie, the largest lake in the Holy Cross region until 2016. It is a valley lake that according to cartographic materials had undergone no changes in the shoreline since ca. 1938. The nearby activity of a sulphur mine required building three dikes on the lake, dividing it into four independent water bodies. The paper presents the analysis of their morphometric properties in comparison to those of the original lake. Although the basins of the new lakes are of natural origin, the currently existing four lakes can be descri

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32

Aliya, Mehraj. "PHYSICO-CHEMICAL ANALYSIS OF AN URBAN LAKE OF KASHMIR VALLEY." International Journal of Zoology and Applied Biosciences 5, no. 2 (2020): 111–18. https://doi.org/10.5281/zenodo.3764738.

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The Srinagar city in the past used to have a network of water bodies in the form of lakes, wetlands, and streams but due to subversive urbanization and overpopulation, the expanse of water bodies has decreased as well as their condition has deteriorated. The present study deals with Khushalsar lake which has reduced in the area due to encroachment and water quality has also degraded. The analysis of different physico-chemical parameters showed the nutrient enrichment of the lake to be greater than Dal lake.

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Budaev, R. Ts. "MIDDLE PLEISTOCENE NEOTECTONIC ACTIVATION OF THE MOUNTAIN BORDERING THE MUYA-KUANDA RIFT VALLEY (BAIKAL RIFT ZONE)." Geodynamics & Tectonophysics 15, no. 4 (2024): 0773. http://dx.doi.org/10.5800/gt-2024-15-4-0773.

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Geological and geomorphological studies of the northeastern branch of the Baikal rift zone have revealed structural features of sedimentary strata, as well as the features of lithology and interaction of heterochronous loose sedimentary complexes, block structure of rift valley bottoms and their mountain border, fault network, and activated Cenozoic faults. The Middle Pleistocene neotectonic uplift was identified on the southern slopes of the North Muya and the Kodar ranges and in the mountains bordering the Muya-Kuanda and Parama rift valleys. The authors have studied the parameters of this u

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Plouffe, A., and V. M. Levson. "Late Quaternary glacial and interglacial environments of the Nechako River - Cheslatta Lake area, central British Columbia." Canadian Journal of Earth Sciences 38, no. 4 (2001): 719–31. http://dx.doi.org/10.1139/e00-111.

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The Quaternary stratigraphy of the Nechako River Cheslatta Lake area of central British Columbia is described and interpreted to reconstruct the late Quaternary history of the region. Exposures of glacial and nonglacial sediments deposited prior to the last glaciation (Fraser) are limited to three sites. Pollen assemblages from pre-Fraser nonglacial sediments at two of these sites reveal forested conditions around 39 000 BP. During the advance phase of the Fraser Glaciation, glacial lakes were ponded when trunk glaciers blocked some tributary valleys. Early in the glaciation, the drainage wa

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Argentin, Anne-Laure, Jörg Robl, Günther Prasicek, et al. "Controls on the formation and size of potential landslide dams and dammed lakes in the Austrian Alps." Natural Hazards and Earth System Sciences 21, no. 5 (2021): 1615–37. http://dx.doi.org/10.5194/nhess-21-1615-2021.

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Abstract. Controls on landsliding have long been studied, but the potential for landslide-induced dam and lake formation has received less attention. Here, we model possible landslides and the formation of landslide dams and lakes in the Austrian Alps. We combine a slope criterion with a probabilistic approach to determine landslide release areas and volumes. We then simulate the progression and deposition of the landslides with a fluid dynamic model. We characterize the resulting landslide deposits with commonly used metrics, investigate their relation to glacial land-forming and tectonic uni

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Cogels, F. X., S. Fraboulet-Jussila, and O. Varis. "Multipurpose use and water quality challenges in Lac de Guiers (Senegal)." Water Science and Technology 44, no. 6 (2001): 35–46. http://dx.doi.org/10.2166/wst.2001.0335.

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Lac de Guiers (Guiers Lake) is a shallow lake in West Africa. Its waters are used mainly for irrigation and drinking water. Recent engineering in the Senegal River Valley has changed the lakes functioning and led to new water quality conditions. This article describes the water quality effects of the management of the lake and use of its waters, with special emphasis on salinity and eutrophication.

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Dawidek, J., and B. Ferencz. "Water balance of selected floodplain lake basins in the Middle Bug River valley." Hydrology and Earth System Sciences Discussions 10, no. 8 (2013): 10061–82. http://dx.doi.org/10.5194/hessd-10-10061-2013.

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Abstract. This study is the first attempt in the literature on the subject of comparing water balance equations for floodplain lake basins depending on the type of connection the lake has to its parent river. Where confluent lakes (upstream connections) were concerned, it was only possible to apply a classic water balance equation. When dealing with contrafluent lakes (downstream connections) as well as lakes with a complex recharge type (contrafluent–confluent) modified equations were created. The hydrological type of a lake is decided by high water flow conditions and, consequently, the dura

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Parent, Michel, and Serge Occhietti. "Late Wisconsinan Deglaciation and Champlain Sea Invasion in the St. Lawrence Valley, Québec." Géographie physique et Quaternaire 42, no. 3 (2007): 215–46. http://dx.doi.org/10.7202/032734ar.

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ABSTRACT Champlain Sea history is directly linked to Late Wisconsinan deglacial episodes. Champlain Sea Phase I (Charlesbourg Phase) began in the Québec area at about 12.4 ka. It represented a western extension of the Goldthwait Sea between remnant Appalachian ice masses and the Laurentide Ice Sheet. Further south, at about the same time, in the Appalachian uplands and piedmont, high-level glacial lakes were impounded by the ice-front during glacial retreat toward NNW: lakes Vermont, Memphrémagog and Mégantic. Lowlands of the Upper St. Lawrence and Lake Champlain valleys were progressively deg

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Dawidek, J., and B. Ferencz. "Water balance of selected floodplain lake basins in the Middle Bug River valley." Hydrology and Earth System Sciences 18, no. 4 (2014): 1457–65. http://dx.doi.org/10.5194/hess-18-1457-2014.

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Abstract. This study is the first attempt in the literature on the subject of comparing water balance components for floodplain lake basins, depending on the type of a lake connection to the parent river. Research was carried out in the Bug River valley in 2007–2011 water years. Four types of connections were distinguished in the area under study. Simple water balance equation could only be used with regard to the lakes connected to the main river via the upstream crevasses. Detailed and individual water balance equations were developed with reference to the other types of lakes. Water gains a

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Hooke, Roger LeB. "Lake Manly(?) Shorelines in the Eastern Mojave Desert, California." Quaternary Research 52, no. 3 (1999): 328–36. http://dx.doi.org/10.1006/qres.1999.2080.

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Near Mesquite Spring on the southern edge of the Soda Lake basin in the Mojave Desert, there is a shoreline of an ancient lake at an elevation of 340 m above sea level. At present, Soda Lake would overflow at 280 m; a lake surface at 340 m would extend ∼240 km northward, to the northern end of Death Valley. Shorelines and lacustrine deposits near the Salt Spring and Saddle Peak Hills, 75 km north of Mesquite Spring, are at ∼180 m; a lake surface at this elevation today would also extend to the northern end of Death Valley. The most prominent shoreline of the pluvial lake that occupied Death Va

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Telford, Richard J., and Henry F. Lamb. "Groundwater-Mediated Response to Holocene Climatic Change Recorded by the Diatom Stratigraphy of an Ethiopian Crater Lake." Quaternary Research 52, no. 1 (1999): 63–75. http://dx.doi.org/10.1006/qres.1999.2034.

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The diatom stratigraphy of a 23-m sediment core from Lake Tilo, a maar lake in the Ethiopian Rift Valley, provides a 10,000-yr record of lake salinity and trophic status. Until 5500 14C yr B.P., the phytoplankton was dominated by Aulacoseira granulata, with only minor changes in the abundance of other diatoms; the lake was over 50 m deep, eutrophic, and oligosaline. At 5500 yr B.P., geothermal groundwater inflow, inferred from calcite and silica deposition rates, declined abruptly, and the lake became more oligotrophic, as indicated by a rapid rise in Cyclotella stelligera. About 4500 yr B.P.,

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Saunders, Ian R., John J. Clague, and Michael C. Roberts. "Deglaciation of Chilliwack River valley, British Columbia." Canadian Journal of Earth Sciences 24, no. 5 (1987): 915–23. http://dx.doi.org/10.1139/e87-089.

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Quaternary sediments and landforms in Chilliwack River valley, southwestern British Columbia, provide a detailed record of déglaciation of this area between 12 000 and 11 000 years BP. Stratigraphic, sedimentological, and radiocarbon data show that a large glacier in eastern Fraser Lowland (part of the Cordilleran Ice Sheet) blocked the mouth of Chilliwack valley at a time when the middle reaches of the valley were ice free. A lake existed between the ice dam in the lower part of the valley and a delta – sandur complex, west of Chilliwack Lake, in the upper part of the valley. Two relatively m

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Guto, Kerubo Carolyne, Murithi James Njiru, Albert Getabu, and Moraa Zipporah Gichana. "Feeding selectivity of Oreochromis niloticus in Lake Naivasha and Oloiden in the Rift Valley, Kenya." Journal of Technology & Socio-Economic Development 10, no. 1 (2023): 210–23. https://doi.org/10.5281/zenodo.8122335.

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An increase in the water level occurred in the Lake Naivasha leading to its merging with Lake Oloiden. The presence of Nile tilapia that is exploited commercially in the Lake Oloiden post water level rise is important. Study’s main focus was to investigate the feeding selectivity of <em>Oreochromis niloticus</em> post water level raise in the Lakes Oloiden and Naivasha. The lake depth and secchi depth were measured and Nile tilapia was sampled monthly for one year and analysis (300 fish) was done for the feeding selectivity of <em>O. niloticus</em>.  The food items that were present

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Hassan, Tanveer Bhat, R. Arnold, and R. M. Mishra. "Comparative Physico-Chemical Limnology of Two Lakes of Kashmir Himalaya." International Journal of Multicultural and Multireligious Understanding 5, no. 2 (2018): 128. http://dx.doi.org/10.18415/ijmmu.v5i2.111.

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In the present paper an effort has been made to evaluate the trophic status of two lakes viz; Dal Lake and Manasbal Lake on the basis of physico-chemical parameters criterion. Four ecologically different habitats in each lake were selected for the present study i.e DL1-DL4 & MS1-MS4 in Dal and Manasbal Lake respectively. The rate of pollution in both the lakes varied from basin to basin as well as lake to lake. It has been observed that both lakes are subjected to anthropogenic stress in the form of nutrient enrichment which changes the overall trophic status of both the lakes. However, th

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Gilbert, Robert, and Joseph R. Desloges. "The record of Glacial Lake Champagne in Kusawa Lake, southwestern Yukon Territory." Canadian Journal of Earth Sciences 42, no. 12 (2005): 2127–40. http://dx.doi.org/10.1139/e05-094.

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Late Pleistocene glaciers dammed Glacial Lake Champagne in the valley of Dezadeash River between a westward-flowing glacier in the Takhini valley and eastward-flowing glaciers from the St. Elias complex. Modern Kusawa Lake lies in the southern extension of Lake Champagne. Geophysical and geomorphic evidence documents the deglaciation of the lake, the presence of Lake Champagne, and the postglacial sedimentary environment of the basin. During the main phase of Lake Champagne, the water level stood at 772 m in the northern part of Kusawa Lake and 756 m in northern Dezadeash valley, both probably

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Ayalew, Ayenew D., Paul D. Wagner, Dejene Sahlu, and Nicola Fohrer. "Unveiling hydrological dynamics in data-scarce regions: experiences from the Ethiopian Rift Valley Lakes Basin." Hydrology and Earth System Sciences 28, no. 8 (2024): 1853–72. http://dx.doi.org/10.5194/hess-28-1853-2024.

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Abstract. The hydrological system of the Rift Valley Lakes in Ethiopia has recently experienced changes over the past 2 decades. Potential causes for these changes include anthropogenic, hydro-climatic, and geological factors. The main objective of this study was to utilize an integrated methodology to gain a comprehensive understanding of the hydrological systems and potential driving factors within a complex and data-scarce region. To this end, we integrated a hydrologic model, change point analysis, indicators of hydrological alteration (IHA), and a bathymetry survey to investigate hydrolog

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Neumann, Klaus, W. Berry Lyons, and David J. Des Marais. "Inorganic carbon-isotope distribution and budget in the Lake Hoare and Lake Fryxell basins, Taylor Valley, Antarctica." Annals of Glaciology 27 (1998): 685–89. http://dx.doi.org/10.3189/1998aog27-1-685-689.

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One of the unusual features of Lakes Fryxell and Hnare in Taylor Valley, southern Victoria Land, Antarctica, is their perennial ice cover. This ice cover limits gas exchange between the atmosphere and the lake water, and causesa very stable stratification of the lakes. We analyzed a series of water samples from profiles of these lakes and their tributaries for δ13C of the dissolved inorganic carbon (DIC) in order to qualify the carbon flux from the streams into the lakes, and to investigate the carbon cycling with in the lakes. Isotopic values in the uppermost waters (δ13C = +l.3‰ to 5.3‰ in L

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Schweinsberg, Avriel D., Jason P. Briner, Joseph M. Licciardi, Ralph R. Shroba, and Eric M. Leonard. "Cosmogenic 10Be exposure dating of Bull Lake and Pinedale moraine sequences in the upper Arkansas River valley, Colorado Rocky Mountains, USA." Quaternary Research 97 (April 27, 2020): 125–39. http://dx.doi.org/10.1017/qua.2020.21.

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AbstractMany formerly glaciated valleys in the western United States preserve detailed glacial features that span the penultimate glaciation through the last deglaciation; however, numerical age control is limited in many of these systems. We report 35 new cosmogenic 10Be surface exposure ages of moraine boulders in the Sawatch Range, Colorado. Eight ages suggest Bull Lake moraines in Lake Creek (range: 132–120 ka, n = 4) and Clear Creek (range: 187–133 ka, n = 4) valleys may correlate with Marine Isotope Stage 6. In Lake Creek valley, 22 10Be ages from Pinedale end moraines average 20.6 ± 0.6

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García, Antonio Francisco, and Martin Stokes. "Late Pleistocene highstand and recession of a small, high-altitude pluvial lake, Jakes Valley, central Great Basin, USA." Quaternary Research 65, no. 1 (2006): 179–86. http://dx.doi.org/10.1016/j.yqres.2005.08.025.

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AbstractModels of factors controlling late Pleistocene pluvial lake-level fluctuations in the Great Basin are evaluated by dating lake levels in Jakes Valley. “Jakes Lake” rose to a highstand at 13,870 ± 50 14C Yr B.P., receded to a stillstand at 12,440 ± 50 14C yr B.P., and receded steadily to desiccation thereafter. The Jakes Lake highstand is roughly coincident with highstands of lakes Bonneville, Lahontan and Russell. The rise to highstand and recession of Jakes Lake were most likely controlled by a storm track steered by the polar jet stream. The final stillstand of Jakes Lake helps const

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Baral, Milan, Binita Timilsina, and Anisha Neupane. "Record of mandarin duck Aix galericulata (Linnaeus, 1758) from Lake Cluster of Pokhara Valley, Nepal." Nepalese Journal of Zoology 6, no. 1 (2022): 53–56. http://dx.doi.org/10.3126/njz.v6i1.46753.

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The mandarin duck Aix galericulata (Linnaeus, 1758) is a vagrant species having very scarce sightings in Nepal. The record of the species from the Lake Cluster of Pokhara Valley has not been documented properly yet. This study presents the first record of the species from the Gunde Lake of Lake Cluster of Pokhara Valley as well as second record of the species from the Pokhara Valley itself. The species was recorded in the winter season on 18th December, 2021 while resting in the shore of Gunde Lake in the flock of lesser whistling duck Dendrocygna javanica.

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