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Relevant bibliographies by topics / Ice sheets – Greenland

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Academic literature on the topic 'Ice sheets – Greenland'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 January 2023

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Journal articles on the topic "Ice sheets – Greenland"

1

Koenig, S. J., A. M. Dolan, B. de Boer, et al. "Ice sheet model dependency of the simulated Greenland Ice Sheet in the mid-Pliocene." Climate of the Past 11, no. 3 (2015): 369–81. http://dx.doi.org/10.5194/cp-11-369-2015.

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Abstract. The understanding of the nature and behavior of ice sheets in past warm periods is important for constraining the potential impacts of future climate change. The Pliocene warm period (between 3.264 and 3.025 Ma) saw global temperatures similar to those projected for future climates; nevertheless, Pliocene ice locations and extents are still poorly constrained. We present results from the efforts to simulate mid-Pliocene Greenland Ice Sheets by means of the international Pliocene Ice Sheet Modeling Intercomparison Project (PLISMIP). We compare the performance of existing numerical ice sheet models in simulating modern control and mid-Pliocene ice sheets with a suite of sensitivity experiments guided by available proxy records. We quantify equilibrated ice sheet volume on Greenland, identifying a potential range in sea level contributions from warm Pliocene scenarios. A series of statistical measures are performed to quantify the confidence of simulations with focus on inter-model and inter-scenario differences. We find that Pliocene Greenland Ice Sheets are less sensitive to differences in ice sheet model configurations and internal physical quantities than to changes in imposed climate forcing. We conclude that Pliocene ice was most likely to be limited to the highest elevations in eastern and southern Greenland as simulated with the highest confidence and by synthesizing available regional proxies; however, the extent of those ice caps needs to be further constrained by using a range of general circulation model (GCM) climate forcings.

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2

Liang, Lei, Xinwu Li, and Fei Zheng. "Spatio-Temporal Analysis of Ice Sheet Snowmelt in Antarctica and Greenland Using Microwave Radiometer Data." Remote Sensing 11, no. 16 (2019): 1838. http://dx.doi.org/10.3390/rs11161838.

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The surface snowmelt on ice sheets in polar areas (ice sheets of Greenland and Antarctica) is not only an important sensitive factor of global climate change, but also a key factor that controls the global climate. Spaceborne earth observation provides an efficient means of measuring snowmelt dynamics. Based on an improved ice sheet snowmelt detection algorithm and several new proposed parameters for detecting change, polar ice sheet snowmelt dynamics were monitored and analyzed by using spaceborne microwave radiometer datasets from 1978 to 2014. Our results show that the change in intensity of Greenland and Antarctica snowmelt generally tended to increase and decrease, respectively. Moreover, we show that the de-trended snowmelt change in ice sheets of Greenland and Antarctica vary in anti-correlation patterns. Furthermore, analysis in Atlantic Multi-decadal Oscillation, North Atlantic Oscillation, and the Southern Annular Mode suggests that the Atlantic Ocean and atmosphere could be a possible link between the snowmelt variability of the ice sheets of Greenland and Antarctica.

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3

Roe, Gerard H. "Modeling precipitation over ice sheets: an assessment using Greenland." Journal of Glaciology 48, no. 160 (2002): 70–80. http://dx.doi.org/10.3189/172756502781831593.

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AbstractThe interaction between ice sheets and the rest of the climate system at long time-scales is not well understood, and studies of the ice ages typically employ simplified parameterizations of the climate forcing on an ice sheet. It is important therefore to understand how an ice sheet responds to climate forcing, and whether the reduced approaches used in modeling studies are capable of providing robust and realistic answers. This work focuses on the accumulation distribution, and in particular considers what features of the accumulation pattern are necessary to model the steady-state response of an ice sheet. We examine the response of a model of the Greenland ice sheet to a variety of accumulation distributions, both observational datasets and simplified parameterizations. The predicted shape of the ice sheet is found to be quite insensitive to changes in the accumulation. The model only differs significantly from the observed ice sheet for a spatially uniform accumulation rate, and the most important factor for the successful simulation of the ice sheet’s shape is that the accumulation decreases with height according to the ability of the atmosphere to hold moisture. However, the internal ice dynamics strongly reflects the influence of the atmospheric circulation on the accumulation distribution.

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4

Livingstone, S. J., C. D. Clark, J. Woodward, and J. Kingslake. "Potential subglacial lake locations and meltwater drainage pathways beneath the Antarctic and Greenland ice sheets." Cryosphere 7, no. 6 (2013): 1721–40. http://dx.doi.org/10.5194/tc-7-1721-2013.

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Abstract. We use the Shreve hydraulic potential equation as a simplified approach to investigate potential subglacial lake locations and meltwater drainage pathways beneath the Antarctic and Greenland ice sheets. We validate the method by demonstrating its ability to recall the locations of >60% of the known subglacial lakes beneath the Antarctic Ice Sheet. This is despite uncertainty in the ice-sheet bed elevation and our simplified modelling approach. However, we predict many more lakes than are observed. Hence we suggest that thousands of subglacial lakes remain to be found. Applying our technique to the Greenland Ice Sheet, where very few subglacial lakes have so far been observed, recalls 1607 potential lake locations, covering 1.2% of the bed. Our results will therefore provide suitable targets for geophysical surveys aimed at identifying lakes beneath Greenland. We also apply the technique to modelled past ice-sheet configurations and find that during deglaciation both ice sheets likely had more subglacial lakes at their beds. These lakes, inherited from past ice-sheet configurations, would not form under current surface conditions, but are able to persist, suggesting a retreating ice-sheet will have many more subglacial lakes than advancing ones. We also investigate subglacial drainage pathways of the present-day and former Greenland and Antarctic ice sheets. Key sectors of the ice sheets, such as the Siple Coast (Antarctica) and NE Greenland Ice Stream system, are suggested to have been susceptible to subglacial drainage switching. We discuss how our results impact our understanding of meltwater drainage, basal lubrication and ice-stream formation.

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5

Livingstone, S. J., C. D. Clark, and J. Woodward. "Predicting subglacial lakes and meltwater drainage pathways beneath the Antarctic and Greenland ice sheets." Cryosphere Discussions 7, no. 2 (2013): 1177–213. http://dx.doi.org/10.5194/tcd-7-1177-2013.

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Abstract. In this paper we use the Shreve hydraulic potential equation to predict subglacial lakes and meltwater drainage pathways beneath the Antarctic and Greenland ice sheets. For the Antarctic Ice Sheet we are able to predict known subglacial lakes with a >70% success rate, which demonstrates the validity of this method. Despite the success in predicting known subglacial lakes the calculations produce two-orders of magnitude more lakes than are presently identified, covering 4% of the ice-sheet bed. The difference is thought to result from our poor knowledge of the bed (which has resulted in artefacts associated with the interpolation method), intrinsic errors associated with the simplified modelling approach and because thousands of subglacial lakes, particularly smaller ones, remain to be found. Applying the same modelling approach to the Greenland Ice Sheet predicts only 90 lakes under the present-day ice-sheet configuration, covering 0.2% of the bed. The paucity of subglacial lakes in Greenland is thought to be a function of steeper overall ice-surface gradients. As no lakes have currently been located under Greenland, model predictions will make suitable targets for radar surveys of Greenland to identify subglacial lakes. During deglaciation from the Last Glacial Maximum both ice sheets had more subglacial lakes at their beds, though many of these lakes have persisted to present conditions. These lakes, inherited from past ice-sheet configurations would not form under current surface conditions, suggesting a retreating ice-sheet will have many more subglacial lakes than an advancing ice sheet. This hysteresis effect has implications for ice-stream formation and flow, bed lubrication and meltwater drainage. The lake model also allows modelling of the drainage pathways of the present-day and former Greenland and Antarctic ice sheets. Significantly, key sectors of the ice sheets, such as the Siple Coast (Antarctica) and NE Greenland Ice Stream system, are shown to have been susceptible to drainage switches and capture by neighbouring networks during deglaciation thus far.

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Grigoryan, S. S., S. A. Buyanov, M. S. Krass, and P. A. Shumskiy. "The Mathematical Model of Ice Sheets and the Calculation of the Evolution of the Greenland Ice Sheet." Journal of Glaciology 31, no. 109 (1985): 281–92. http://dx.doi.org/10.1017/s0022143000006614.

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AbstractAn evolutionary mathematical model of ice sheets is presented. The model takes into account the basic climatic and geophysical parameters, with temperature parameterization. Some numerical data derived from experiments on the Greenland ice sheet are received. At present the Greenland ice sheet is found to be in a state essentially different from a stationary one corresponding to modern climatic conditions.

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Grigoryan, S. S., S. A. Buyanov, M. S. Krass, and P. A. Shumskiy. "The Mathematical Model of Ice Sheets and the Calculation of the Evolution of the Greenland Ice Sheet." Journal of Glaciology 31, no. 109 (1985): 281–92. http://dx.doi.org/10.3189/s0022143000006614.

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AbstractAn evolutionary mathematical model of ice sheets is presented. The model takes into account the basic climatic and geophysical parameters, with temperature parameterization. Some numerical data derived from experiments on the Greenland ice sheet are received. At present the Greenland ice sheet is found to be in a state essentially different from a stationary one corresponding to modern climatic conditions.

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8

Koenig, S. J., A. M. Dolan, B. de Boer, et al. "Greenland Ice Sheet sensitivity and sea level contribution in the mid-Pliocene warm period – Pliocene Ice Sheet Model Intercomparison Project PLISMIP." Climate of the Past Discussions 10, no. 4 (2014): 2821–56. http://dx.doi.org/10.5194/cpd-10-2821-2014.

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Abstract. The understanding of the nature and behavior of ice sheets in past warm periods is important to constrain the potential impacts of future climate change. The mid-Pliocene Warm Period (2.97 to 3.29 Ma) has global temperatures similar to those projected for future climates, nevertheless Pliocene ice locations and extents are still poorly constrained. We present results from the efforts to simulate mid-Pliocene Greenland ice sheets by means of the international Pliocene Ice Sheet Modeling Intercomparison Project (PLISMIP). We compare the performance of existing numerical ice sheet models in simulating modern control and mid-Pliocene ice sheets by a suite of sensitivity experiments guided by available proxy records. We quantify equilibrated ice sheet volume on Greenland, identifying a potential range in sea level contributions from warm Pliocene scenarios. A series of statistical measures are performed to quantify the confidence of simulations with focus on inter-model and inter-scenario differences. We find that Pliocene Greenland ice sheets are less sensitive to differences in ice sheet model configurations and internal physical quantities, than to changes in imposed climate forcing. We conclude that Pliocene ice was most likely to be limited to highest elevations in East and South as simulated with the highest confidence and by synthesizing available regional proxies, although extents of those ice caps need to be further constrained by using a range of GCM climate forcings.

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9

Babonis, G. S., B. Csatho, and T. Schenk. "MASS BALANCE CHANGES AND ICE DYNAMICS OF GREENLAND AND ANTARCTIC ICE SHEETS FROM LASER ALTIMETRY." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLI-B8 (June 23, 2016): 481–87. http://dx.doi.org/10.5194/isprs-archives-xli-b8-481-2016.

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During the past few decades the Greenland and Antarctic ice sheets have lost ice at accelerating rates, caused by increasing surface temperature. The melting of the two big ice sheets has a big impact on global sea level rise. If the ice sheets would melt down entirely, the sea level would rise more than 60&thinsp;m. Even a much smaller rise would cause dramatic damage along coastal regions. In this paper we report about a major upgrade of surface elevation changes derived from laser altimetry data, acquired by NASA’s Ice, Cloud and land Elevation Satellite mission (ICESat) and airborne laser campaigns, such as Airborne Topographic Mapper (ATM) and Land, Vegetation and Ice Sensor (LVIS). For detecting changes in ice sheet elevations we have developed the Surface Elevation Reconstruction And Change detection (SERAC) method. It computes elevation changes of small surface patches by keeping the surface shape constant and considering the absolute values as surface elevations. We report about important upgrades of earlier results, for example the inclusion of local ice caps and the temporal extension from 1993 to 2014 for the Greenland Ice Sheet and for a comprehensive reconstruction of ice thickness and mass changes for the Antarctic Ice Sheets.

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Babonis, G. S., B. Csatho, and T. Schenk. "MASS BALANCE CHANGES AND ICE DYNAMICS OF GREENLAND AND ANTARCTIC ICE SHEETS FROM LASER ALTIMETRY." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLI-B8 (June 23, 2016): 481–87. http://dx.doi.org/10.5194/isprsarchives-xli-b8-481-2016.

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During the past few decades the Greenland and Antarctic ice sheets have lost ice at accelerating rates, caused by increasing surface temperature. The melting of the two big ice sheets has a big impact on global sea level rise. If the ice sheets would melt down entirely, the sea level would rise more than 60&thinsp;m. Even a much smaller rise would cause dramatic damage along coastal regions. In this paper we report about a major upgrade of surface elevation changes derived from laser altimetry data, acquired by NASA’s Ice, Cloud and land Elevation Satellite mission (ICESat) and airborne laser campaigns, such as Airborne Topographic Mapper (ATM) and Land, Vegetation and Ice Sensor (LVIS). For detecting changes in ice sheet elevations we have developed the Surface Elevation Reconstruction And Change detection (SERAC) method. It computes elevation changes of small surface patches by keeping the surface shape constant and considering the absolute values as surface elevations. We report about important upgrades of earlier results, for example the inclusion of local ice caps and the temporal extension from 1993 to 2014 for the Greenland Ice Sheet and for a comprehensive reconstruction of ice thickness and mass changes for the Antarctic Ice Sheets.

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Dissertations / Theses on the topic "Ice sheets – Greenland"

1

Smith, Benjamin E. "Characterization of the small scale ice sheet topography of Antarctica and Greenland /." Thesis, Connect to this title online; UW restricted, 2005. http://hdl.handle.net/1773/6812.

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2

McGovern, Jonathan. "Forward and adjoint ice sheet model sensitivities with an application to the Greenland Ice Sheet." Thesis, Swansea University, 2012. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.678316.

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Selmes, Nick. "Remote sensing of supraglacial lakes on the Greenland Ice Sheet." Thesis, Swansea University, 2011. https://cronfa.swan.ac.uk/Record/cronfa42597.

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The dynamic mass loss from the Greenland Ice Sheet has prompted considerable research into the role of supraglacial lakes in causing dynamic thinning. These lakes can drain through 1000 m of ice to the bed and are thought to play an important role in connecting the surface and basal hydrologies of the ice sheet, allowing water to reach the bed and cause the ice to accelerate. Despite this apparent importance little research has been carried out on lakes outside of SVV Greenland, and no research has examined the occurrence of lake drainage over the whole of Greenland. The aim of this thesis is to discover where lakes occur for the entire Greenland ice Sheet, and how these lakes drain. New remote sensing techniques for monitoring lakes through the melt season were developed and tested. The evolution of 2600 lakes (those lakes larger than > 0.125 km2) was studied over five years (2005-2009) using 3704 MODIS images. Lakes were discovered to either drain fast to the bed, more slowly over the surface, or to freeze at the end of the melt season. There were 263 fast lake drainages per year of which 61% were in the SW region and a further 17% in the NE, both regions where mass loss is mainly due to surface mass balance. In the dynamically thinning SE region there were only three fast lake drainages per year along a 1300 km coastline. In the NW, fast lake drainage did not occur on five of the ten glaciers with the most rapid dynamic thinning. The results of this thesis show that the drainage of supraglacial lakes cannot have been responsible for dynamic mass loss from the Greenland Ice Sheet.

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Tedstone, Andrew Jachnik. "Hydrological controls on Greenland Ice Sheet motion." Thesis, University of Edinburgh, 2015. http://hdl.handle.net/1842/14169.

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An improved understanding of the processes controlling the dynamics of the Greenland Ice Sheet is needed to enable more accurate determination of the response of the ice sheet to projected climate change. Meltwater produced on the ice sheet surface can penetrate to the bed and cause ice motion to speed up through enhanced basal sliding. However, the importance of coupled hydro-dynamics both to current ice sheet motion and future stability over the coming century is unclear. This thesis presents observations from the south-west Greenland Ice Sheet which improve our understanding of coupled hydro-dynamics. It commences with an investigation of the response of ice motion to exceptional meltwater forcing during summer 2012. Simultaneous field observations of ice motion (by GPS) and proglacial discharge show that, despite two extreme melt events during July 2012 and summer ice sheet runoff 3.9 s.d. above the 1958– 2011 mean which resulted in faster summer motion, net annual motion was slower than in the average melt year of 2009. This suggests that surface melt-induced acceleration of land-terminating regions of the ice sheet will remain insignificant even under extreme melting scenarios. The thesis then examines spatial variability in ice motion, in relation to an inferred subglacial drainage axis, using GPS and satellite radar observations from a land-terminating margin up to 20 km inland where ice is 800 m thick. Whilst spatial variability in subglacial drainage system configuration is found to control ice motion at short timescales, the proportional contribution of summer motion to annual motion is almost invariant. The structure of the subglacial drainage system does not therefore appear to significantly influence spatial variations in net summer speedup. Lastly, observations are made by applying feature tracking to 30 years of optical satellite imagery in a ~170 by 50 km area along the ice sheet margin (where ice reaches ~850 m thick) to examine whether coupled hydrology-dynamics affects inter-annual ice motion. Hydro-dynamic coupling resulted in net ice motion slowdown during a period of clear climate warming. Further increases in meltwater production may therefore reduce ice sheet motion. The thesis concludes that at land-terminating margins of the Greenland Ice Sheet, (1) larger annual meltwater volumes do not result in faster annual ice motion; (2) the detailed structure of the subglacial drainage network appears unimportant to the role of summer motion in determining annual motion; and (3) atmospheric warming over several decades has been accompanied by a slowdown in ice motion. As such, hydro-dynamic coupling is unlikely to form a significant positive feedback between surface melting and ice motion in response to projected climate warming. The wider relevance of these findings to tidewater systems requires further investigation.

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5

Sturgis, Daniel J. "Meltwater infilltration [sic] in the accumulation zone, West Greenland Ice Sheet." Laramie, Wyo. : University of Wyoming, 2009. http://proquest.umi.com/pqdweb?did=1939351861&sid=1&Fmt=2&clientId=18949&RQT=309&VName=PQD.

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Beal, Samuel A. "Chemical weathering along the Greenland ice sheet margin /." Norton, Mass. : Wheaton College, 2009. http://hdl.handle.net/10090/8391.

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Yang, Lei. "Greenland ice sheet change surface climate variability and glacier dynamics /." The Ohio State University, 2007. http://rave.ohiolink.edu/etdc/view?acc_num=osu1180121203.

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8

Lecavalier, Benoit. "A Model of the Greenland Ice Sheet Deglaciation." Thèse, Université d'Ottawa / University of Ottawa, 2013. http://hdl.handle.net/10393/30362.

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The goal of this thesis is to improve our understanding of the Greenland ice sheet (GrIS) and how it responds to climate change. This was achieved using ice core records to infer elevation changes of the GrIS during the Holocene (11.7 ka BP to Present). The inferred elevation changes show the response of the ice sheet interior to the Holocene Thermal Maximum (HTM; 9-5 ka BP) when temperatures across Greenland were warmer than present. These ice-core derived thinning curves act as a new set of key constraints on the deglacial history of the GrIS. Furthermore, a calibration was conducted on a three-dimensional thermomechanical ice sheet, glacial isostatic adjustment, and relative sea-level model of GrIS evolution during the most recent deglaciation (21 ka BP to present). The model was data-constrained to a variety of proxy records from paleoclimate archives and present-day observations of ice thickness and extent.

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Rumrill, Julie. "Analysis of Spatial and Temporal Variations in Strain Rates Near Swiss Camp, Greenland." ScholarWorks @ UVM, 2009. http://scholarworks.uvm.edu/graddis/205.

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In this thesis, I present results from a two-year study of strain-rate variations along a flow line on the western margin of the Greenland ice sheet. I used baseline network solutions to investigate variations in longitudinal strain rates over the 2006 and 2007 melt seasons. Analyses revealed high-magnitude, short-duration events of increased longitudinal strain early in the melt season coincident with a high melt year, suggesting a link between melt production and its effects on seasonal ice flow. Results from 2006 data show that longitudinal strain rates became variable shortly after the onset of melt (day 186) changing up to ~ 15 x 10-4 a-1 within 24 hours. The onset of melting occurred earlier in 2007 (day 153) and was also followed closely by strain-rate deviation from background rates calculated prior to melting. The data revealed rapid (hours to days), high-magnitude (two to ten times greater than background rates) changes in longitudinal strain rates (hereafter referred to as ‘high-strain’ events) that occurred both on the small-scale (affecting 1-4 baselines) and on the large-scale (affecting 5 or more baselines). Large-scale high-strain events were infrequent, on the order of two events per season. Events were likely caused by drainage of supraglacial meltwater that penetrated to the bed of the glacier raising the basal water pressure. The increase in pressure reduced the basal resistive stress, and allowed rapid local acceleration. The basal stress reduction was transmitted to areas of higher stress which resulted in longitudinal compression of the ice down glacier and longitudinal extension up glacier. The evolution of high-strain events altered longitudinal strain rates more than 15 km along flow from the site of initiation. I estimated the origin and spatial extent of highstrain events by assessing the magnitude of the strain-rate variations in various baselines, and observing whether the altered strain regime was extensive or compressive. Magnitude and timing of changes in strain suggest that high-strain events originated in the ablation zone, the equilibrium zone, and inland of the equilibrium zone, and indicate that short-term altered stress conditions are not confined to the ablation zone. The background strain-rate for 2007 (~ -7 x 10-4 a-1 for a 37 km longitudinal baseline) was similar to the 2006 longitudinal background rate. When extrapolating the 2006 background rate over the melt season, the expected change in baseline length (~ 11 m) was similar to the observed change (~ 9 m). In contrast, when extrapolating the 2007 background rate over the melt season, the expected shortening was ~ 6 m, but the observed shortening was less than 1 m. This result suggests that seasonal high-strain events have the ability to alter longitudinal baseline length, allowing a greater ice flux to lower elevations where melting occurs for a larger portion of the year. However, the cumulative seasonal effects of both large-scale and small-scale strain events are modest, and indicate that seasonal changes in strain rates have a minor effect on the overall stability of the ice sheet. Nevertheless, it is possible that over much longer timescales these seasonal changes may become more important with increasing temperatures and available melt. Results from this study may also be useful in making broader inferences regarding the response of grounded portions of the ice sheet to seasonal changes in basal resistive stress.

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10

Sun, Shihua. "Long-term elevation change of the southern Greenland ice sheet from Seasat, Geosat, and GFO satellite radar altimetry /." free to MU campus, to others for purchase, 2003. http://wwwlib.umi.com/cr/mo/fullcit?p1418069.

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Books on the topic "Ice sheets – Greenland"

1

Konzelmann, Thomas. Radiation conditions on the Greenland Ice Sheet. Geographisches Institut ETH, 1994.

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Weidick, Anker. Neoglacial and historical glacier changes around Kangersuneq Fjord in southern West Greenland. Geological Survey of Denmark and Greenland, Danish Ministry of Climate and Energy, 2012.

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Saito, Fuyuki. Development of a three dimensional ice sheet model for numerical studies of Antarctic and Greenland ice sheet. University of Tokyo, Center for Climate System Research, 2002.

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Göktas, Fidan. Ergebnisse der Untersuchung des grönländischen Inlandeises mit dem elektromagnetischen Reflexionsverfahren in der Umgebung von NGRIP =: Results from airborne radio-echosounding of the Greenland icesheet in the vicinity of NGRIP. Alfred-Wegener-Institut für Polar- und Meeresforschung, 1999.

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Jung-Rothenhäusler, Friedrich. Fernerkundungs- und GIS-Studien in Nordostgrönland =: Remote sensing and GIS studies in north-east Greenland. Alfred-Wegener-Institut für Polar- und Meeresforschung, 1998.

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Greuell, Wouter. Numerical modelling of the energy balance and the Englacial temperature at the ETH camp, West Greenland. Geographisches Institut, Eidgenössische Technische Hochschule Zürich, 1992.

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Haefliger, Marcel. Radiation balance over the Greenland ice sheet derived by NOAA AVHRR satellite data and in situ observations. Verlag Geographisches Institut ETH, 1998.

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8

Forrer, Jann. The structure and turbulence characteristics of the stable boundary layer over the Greenland ice sheet. Geographisches Institut ETH, 1999.

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9

1929-, Langway Chester C., Oeschger H, Dansgaard W, and American Geophysical Union, eds. Greenland ice core: Geophysics, geochemistry, and the environment. American Geophysical Union, 1985.

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Jr, Langway C. C., W. Dansgaard, and H. Oeschger. Greenland Ice Core: Geophysics, Geochemistry, and the Environment. Wiley & Sons, Limited, John, 2013.

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Book chapters on the topic "Ice sheets – Greenland"

1

Koenig, Lora, Richard Forster, Ludovic Brucker, and Julie Miller. "Remote sensing of accumulation over the Greenland and Antarctic ice sheets." In Remote Sensing of the Cryosphere. John Wiley & Sons, Ltd, 2014. http://dx.doi.org/10.1002/9781118368909.ch8.

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Reeh, N. "Past Changes in Precipitation Rate and Ice Thickness as Derived from Age — Depth Profiles in Ice-Sheets; Application to Greenland and Canadian Arctic Ice Core Records." In Geological History of the Polar Oceans: Arctic versus Antarctic. Springer Netherlands, 1990. http://dx.doi.org/10.1007/978-94-009-2029-3_14.

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Christoffersen, Poul. "Greenland Ice Sheet." In Encyclopedia of Earth Sciences Series. Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-90-481-2642-2_227.

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Huybrechts, P., H. Goelzer, I. Janssens, et al. "Response of the Greenland and Antarctic Ice Sheets to Multi-Millennial Greenhouse Warming in the Earth System Model of Intermediate Complexity LOVECLIM." In The Earth's Cryosphere and Sea Level Change. Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-94-007-2063-3_7.

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Yde, Jacob C. "Greenland Glaciers Outside the Ice Sheet." In Encyclopedia of Earth Sciences Series. Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-90-481-2642-2_643.

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Mernild, Sebastian H., Glen E. Liston, and Daqing Yang. "Greenland Ice Sheet and Arctic Mountain Glaciers." In Arctic Hydrology, Permafrost and Ecosystems. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-50930-9_5.

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Langway, C. C., H. Oeschger, and W. Dansgaard. "The Greenland Ice Sheet Program in perspective." In Greenland Ice Core: Geophysics, Geochemistry, and the Environment. American Geophysical Union, 1985. http://dx.doi.org/10.1029/gm033p0001.

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Keller, K., R. Forsberg, and C. S. Nielsen. "Kinematic GPS for Ice Sheet Surveys in Greenland." In Advances in Positioning and Reference Frames. Springer Berlin Heidelberg, 1998. http://dx.doi.org/10.1007/978-3-662-03714-0_59.

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Castello, John D., Scott O. Rogers, James E. Smith, William T. Starmer, and Yinghao Zhao. "Chapter 13. Plant and Bacterial Viruses in the Greenland Ice Sheet." In Life in Ancient Ice, edited by John D. Castello and Scott O. Rogers. Princeton University Press, 2005. http://dx.doi.org/10.1515/9781400880188-017.

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Sørensen, L. Sandberg, and R. Forsberg. "Greenland Ice Sheet Mass Loss from GRACE Monthly Models." In Gravity, Geoid and Earth Observation. Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-10634-7_70.

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Conference papers on the topic "Ice sheets – Greenland"

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Young, Nicolás E., Gifford Miller, Jason P. Briner, et al. "EARLY HOLOCENE EVOLUTION OF THE LAURENTIDE AND GREENLAND ICE SHEETS." In GSA Annual Meeting in Seattle, Washington, USA - 2017. Geological Society of America, 2017. http://dx.doi.org/10.1130/abs/2017am-297341.

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Maurette, M., G. Immel, C. Hammer, R. Harvey, G. Kurat, and S. Taylor. "Collection and curation of IDPs from the Greenland and Antarctic ice sheets." In Analysis of interplanetary dust: NASA/LPI workshop. AIP, 1994. http://dx.doi.org/10.1063/1.46516.

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Li, L., J. B. Yan, S. Gogineni, et al. "Ground-Based Ultra Wideband Dual-Polarized Radar Sounding of Greenland Ice Sheets." In IGARSS 2020 - 2020 IEEE International Geoscience and Remote Sensing Symposium. IEEE, 2020. http://dx.doi.org/10.1109/igarss39084.2020.9323479.

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Zhang, Jiahua, and Y. Jade Morton. "Spaceborne GNSS-R Signal Coherence Dependence on Elevation Angles Over Sea Ice and Ice Sheets in Greenland and Antarctica." In IGARSS 2022 - 2022 IEEE International Geoscience and Remote Sensing Symposium. IEEE, 2022. http://dx.doi.org/10.1109/igarss46834.2022.9884119.

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Hayden, Linda, Je'aime H. Powell, and Eric Akers. "Establishing field and base camp servers for remote sensing of ice sheets in ilulissat, Greenland." In 2009 IEEE International Geoscience and Remote Sensing Symposium. IEEE, 2009. http://dx.doi.org/10.1109/igarss.2009.5418148.

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Nagler, Thomas, Jan Wuite, Ludivine Libert, Markus Hetzenecker, Lars Keuris, and Helmut Rott. "Continuous Monitoring of Ice Motion and Discharge of Antarctic and Greenland Ice Sheets and Outlet Glaciers by Sentinel-1 A & B." In IGARSS 2021 - 2021 IEEE International Geoscience and Remote Sensing Symposium. IEEE, 2021. http://dx.doi.org/10.1109/igarss47720.2021.9553514.

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Chang, Wenmo, and Leung Tsang. "Conical electromagnetic waves diffraction from sastrugi type surfaces of layered snow dunes on Greenland ice sheets in passive microwave remote sensing." In IGARSS 2011 - 2011 IEEE International Geoscience and Remote Sensing Symposium. IEEE, 2011. http://dx.doi.org/10.1109/igarss.2011.6048913.

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Palmer, Andrew, David Keith, and Richard Doctor. "Ocean Storage of Carbon Dioxide: Pipelines, Risers and Seabed Containment." In ASME 2007 26th International Conference on Offshore Mechanics and Arctic Engineering. ASMEDC, 2007. http://dx.doi.org/10.1115/omae2007-29529.

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Eight hundred tonnes of carbon dioxide (CO2) are dumped into the atmosphere every second. There has been a progressive rise in the CO2 content of the atmosphere, from 270 ppm in the pre-industrial era to more than 380 ppm now, rising by 15 ppm/decade. The overwhelming scientific consensus is that this is having a large effect on climate, and that as a result the Earth’s temperature will rise by 2°C or more before 2100 [1]. Agriculture, forestry, fisheries, the biosphere and human health will all be affected, though not all the impacts are negative. The level of the sea will rise by between 0.5 and 1 m, and there is a possibility of a much greater and catastrophic rise if warming should lead to a collapse of the Greenland or Antarctic ice sheets.

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Li, Yonghong, and Curt H. Davis. "Decadal Mass Balance of the Greenland and Antarctic Ice Sheets from High Resolution Elevation Change Analysis of ERS-2 and Envisat Radar Altimetry Measurements." In IGARSS 2008 - 2008 IEEE International Geoscience and Remote Sensing Symposium. IEEE, 2008. http://dx.doi.org/10.1109/igarss.2008.4779727.

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CHYLEK, PETR. "RECENT TEMPERATURE CHANGES IN GREENLAND: COASTAL STATIONS AND THE GREENLAND ICE SHEET." In International Seminar on Nuclear War and Planetary Emergencies 34th Session. WORLD SCIENTIFIC, 2006. http://dx.doi.org/10.1142/9789812773890_0015.

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Reports on the topic "Ice sheets – Greenland"

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Maltrud, Mathew, and Matthew Hoffman. Simulating the Effect of Accelerated Freshwater Discharge from the Antarctic and Greenland Ice Sheets on the Ocean Circulation. Office of Scientific and Technical Information (OSTI), 2021. http://dx.doi.org/10.2172/1779650.

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Lever, James, Allan Delaney, Laura Ray, E. Trautman, Lynette Barna, and Amy Burzynski. Autonomous GPR surveys using the polar rover Yeti. Engineer Research and Development Center (U.S.), 2022. http://dx.doi.org/10.21079/11681/43600.

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The National Science Foundation operates stations on the ice sheets of Antarctica and Greenland to investigate Earth’s climate history, life in extreme environments, and the evolution of the cosmos. Understandably, logistics costs predominate budgets due to the remote locations and harsh environments involved. Currently, manual ground-penetrating radar (GPR) surveys must preceed vehicle travel across polar ice sheets to detect subsurface crevasses or other voids. This exposes the crew to the risks of undetected hazards. We have developed an autonomous rover, Yeti, specifically to conduct GPR surveys across polar ice sheets. It is a simple four-wheel-drive, battery-powered vehicle that executes autonomous surveys via GPS waypoint following. We describe here three recent Yeti deployments, two in Antarctica and one in Greenland. Our key objective was to demonstrate the operational value of a rover to locate subsurface hazards. Yeti operated reliably at −30 ◦C, and it has good oversnow mobility and adequate GPS accuracy for waypoint-following and hazard georeferencing. It has acquired data on hundreds of crevasse encounters to improve our understanding of heavily crevassed traverse routes and to develop automated crevasse-detection algorithms. Importantly, it helped to locate a previously undetected buried building at the South Pole. Yeti can improve safety by decoupling survey personnel from the consequences of undetected hazards. It also enables higher-quality systematic surveys to improve hazard-detection probabilities, increase assessment confidence, and build datasets to understand the evolution of these regions. Yeti has demonstrated that autonomous vehicles have great potential to improve the safety and efficiency of polar logistics.

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Reeh, N. Chapter 14: Dynamic and Climatic History of the Greenland Ice Sheet. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1989. http://dx.doi.org/10.4095/131821.

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Nordhaus, William. Global Melting? The Economics of Disintegration of the Greenland Ice Sheet. National Bureau of Economic Research, 2018. http://dx.doi.org/10.3386/w24640.

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Benson, Carl S. Stratigraphic Studies in the Snow and Firn of the Greenland Ice Sheet. Defense Technical Information Center, 1996. http://dx.doi.org/10.21236/ada337542.

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Kopera, Michal A., Francis X. Giraldo, and Wieslaw Maslowski. Ice-Sheet / Ocean Interaction Model for Greenland Fjords Using High-Order Discontinuous Galerkin Methods. Office of Scientific and Technical Information (OSTI), 2018. http://dx.doi.org/10.2172/1480068.

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