Relevant bibliographies by topics / Variations in flood activity

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Variations in flood activity'

Author: Grafiati
Published: 25 May 2024
Last updated: 31 July 2025

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Journal articles on the topic "Variations in flood activity"

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Liu, Yesen, Yaohuan Huang, Jinhong Wan, Zhenshan Yang, and Xiaolei Zhang. "Analysis of Human Activity Impact on Flash Floods in China from 1950 to 2015." Sustainability 13, no. 1 (2020): 217. http://dx.doi.org/10.3390/su13010217.

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An early warning of a flash flood is essential to prevent the general public from the hazardous flooding events, however, the rapid variation of human activities has led to the uncertainty of risk in prone areas. The lack of a systematic record of flash flood events introduces challenges to flash flood-related research. Herein, we map spatial and temporal variations in flash floods in China from 1950 to 2015 and establish a general ordered logit model in a geographic information environment to estimate the association between the occurrence of flash flood events and natural conditions and the
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SHALTOUT, M. A. MOSALAM, and M. T. Y. TADROS. "Variations of the solar activity and irradiance, and their influence on the flooding of the river Nile." MAUSAM 41, no. 3 (2022): 53–62. http://dx.doi.org/10.54302/mausam.v41i3.2722.

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Autocorrelation and power spectra analysis are carried out for different lengths of time series Of the following data:(l) Solar activity (sunspot, faculae and radio flux on 2800 MHz);(2) Irradiance (solar Constant measured at earth's surface and by the artificial satellite (Nimbus- 7); (3) River Nile flood (old water level, maximum flood level, and the difference between the both levels) measured at Cairo.
 
 The results showing remarkable similarity between the power spectra of solar activity, irradiance (solar constant) and river Nile flood.
 
 We conclude that any short
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Luz-Agostinho, KDG, AA Agostinho, LC Gomes, HF Júlio-Jr., and R. Fugi. "Effects of flooding regime on the feeding activity and body condition of piscivorous fish in the Upper Paraná River floodplain." Brazilian Journal of Biology 69, no. 2 suppl (2009): 481–90. http://dx.doi.org/10.1590/s1519-69842009000300004.

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Flood pulses affect floodplain enrichment via the incorporation of nutrients and terrestrial biomass. As a result, they positively affect the body condition of aquatic organisms. This paper evaluates whether the absence of floods (resulting from dam control) affects the feeding activity and body condition of piscivorous fish. In addition, whether piscivores respond similarly to alterations in the flooding regime was assessed. Five piscivorous species were selected (Acestrorhynchus lacustris, Hoplias aff. malabaricus, Plagioscion squamosissimus, Rhaphiodon vulpinus, and Salminus brasiliensis).
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Vannière, B., M. Magny, S. Joannin, et al. "Orbital changes, variation in solar activity and increased anthropogenic activities: controls on the Holocene flood frequency in the Lake Ledro area, Northern Italy." Climate of the Past 9, no. 3 (2013): 1193–209. http://dx.doi.org/10.5194/cp-9-1193-2013.

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Abstract. Two lacustrine sediment cores from Lake Ledro in northern Italy were studied to produce chronologies of flood events for the past 10 000 yr. For this purpose, we have developed an automatic method that objectively identifies the sedimentary imprint of river floods in the downstream lake basin. The method was based on colour data extracted from processed core photographs, and the count data were analysed to capture the flood signal. Flood frequency and reconstructed sedimentary dynamics were compared with lake-level changes and pollen inferred vegetation dynamics. The results suggest
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Czymzik, M., R. Muscheler, and A. Brauer. "Solar modulation of flood frequency in Central Europe during spring and summer on inter-annual to millennial time-scales." Climate of the Past Discussions 11, no. 5 (2015): 4833–50. http://dx.doi.org/10.5194/cpd-11-4833-2015.

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Abstract. Solar influences on climate variability are one of the most controversially discussed topics in climate research. We analyze solar forcing of flood frequency in Central Europe on inter-annual to millennial time-scales using daily discharge data of River Ammer (southern Germany) back to AD 1926 and revisiting the 5500 year flood layer time-series from varved sediments of the downstream Lake Ammersee. Flood frequency in the discharge record is significantly correlated to changes in solar activity during solar cycles 16–23 (r = −0.47, p < 0.0001, n = 73). Flood layer frequency (n = 1
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Vannière, B., M. Magny, S. Joannin, et al. "Orbital changes, variation in solar activity and increased anthropogenic activities: controls on the Holocene flood frequency in the Lake Ledro area, Northern Italy." Climate of the Past Discussions 8, no. 5 (2012): 4701–44. http://dx.doi.org/10.5194/cpd-8-4701-2012.

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Abstract. Two lacustrine sediment cores from Lake Ledro in Northern Italy were studied to produce chronologies of flood events for the past 10 000 yr. For this purpose, we have developed an automatic method that objectively identifies the sedimentary imprint of river floods in the downstream lake basin. The automatic counting of flood deposits was based on colour data extracted from processed core photographs, and the count data were processed to capture the flood signal. Automatic quantification was compared with naked-eye counting. Counts were performed twice on the proximal and distal cores
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Zúñiga, Emmanuel, Víctor Magaña, and Violeta Piña. "Effect of Urban Development in Risk of Floods in Veracruz, Mexico." Geosciences 10, no. 10 (2020): 402. http://dx.doi.org/10.3390/geosciences10100402.

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Urban floods have adverse effects on the population and the economy, and they are increasing in frequency and magnitude. The State of Veracruz is the region of Mexico with the highest number of disasters, more than 50% of the total number nationwide, in the 1970–2015 period. During the 1990s, disasters in this region increased from 5 to 10 events per year, mostly in relation to intense rains and floods. This study analyzes the factors that increase the risk of urban floods in the regions: (i) the Pánuco River, (ii) the Papaloapan River, and (iii) the Coatzacoalcos River regions, combining haza
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Barrera-Escoda, A., and M. C. Llasat. "The role of climatic factors in evolving flood patterns in a Mediterranean Region (1301–2012)." Hydrology and Earth System Sciences Discussions 11, no. 8 (2014): 9145–82. http://dx.doi.org/10.5194/hessd-11-9145-2014.

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Abstract. Data on flood occurrence and flood impacts for the last seven centuries in the northeast Iberian Peninsula have been analysed in order to characterise long-term trends, anomalous periods and their relationship with different climatic factors such as precipitation, general circulation and solar activity. Catastrophic floods do not present a statistically significant trend, whereas extraordinary floods have seen a significant rise, especially from 1850 on, and were responsible for the total increase in flooding in the region. This rise can be mainly attributed to small coastal catchmen
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Czymzik, Markus, Raimund Muscheler, and Achim Brauer. "Solar modulation of flood frequency in central Europe during spring and summer on interannual to multi-centennial timescales." Climate of the Past 12, no. 3 (2016): 799–805. http://dx.doi.org/10.5194/cp-12-799-2016.

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Abstract. Solar influences on climate variability are one of the most controversially discussed topics in climate research. We analyze solar forcing of flood frequency in central Europe during spring and summer on interannual to multi-centennial timescales, integrating daily discharge data of the River Ammer (southern Germany) back to AD 1926 (∼ solar cycles 16–23) and the 5500-year flood layer record from varved sediments of the downstream Ammersee. Flood frequency in the River Ammer discharge record is significantly correlated to changes in solar activity when the flood record lags the solar
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Suzuki, Yoshiaki, Ryuji Tada, Kana Nagashima, et al. "Extreme flood events and their frequency variations during the middle to late-Holocene recorded in the sediment of Lake Suigetsu, central Japan." Holocene 31, no. 1 (2020): 121–33. http://dx.doi.org/10.1177/0959683620961497.

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Many studies are reconstructing flood records in the continental margins during the middle to late-Holocene. However, distinguishing the frequency and magnitude of flood events was difficult. Light gray event layers (GELs) in the sediment of Lake Suigetsu in Central Japan can solve this problem because they are recording the occurrence and magnitude of flood events during the last 80 years. Using these GELs, we aimed to reconstruct the frequency and magnitude of flood events during the last 8000 years. First, we verified whether GELs maintained the recording of flood events. We found that thin
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Dissertations / Theses on the topic "Variations in flood activity"

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Legrand, Caroline. "Simulation des variations de débits et de l’activité de crue du Rhône amont à partir de l’information atmosphérique de grande échelle sur le dernier siècle et le dernier millénaire." Electronic Thesis or Diss., Université Grenoble Alpes, 2024. http://www.theses.fr/2024GRALU011.

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Les crues sont des aléas naturels extrêmement destructeurs qui peuvent avoir des répercussionsconsidérables sur les écosystèmes et les sociétés. L’activité et l’intensité des crues pourraient êtreamplifiées par le changement climatique en cours. Quantifier les évolutions possibles pour les décenniesà venir est cependant difficile. L’approche classique consiste à estimer ces évolutions à partir deprojections hydrologiques obtenues par simulation à partir des scénarios météorologiques produitspour différents scénarios climatiques futurs. Ces scénarios météorologiques, qui doivent, entre autresch
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Vye, Charlotte. "Flow Field Formation and Compositional Variations of Flood Basalt Eruptions." Thesis, Open University, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.518169.

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Characterisation of three lava flow fields from the Columbia River Basalt Group (CRBG), USA, reveals compositional heterogeneity on all scales, from adjacent lava lobes to the intra-crystal scale. Simple flow fields can be traced from vent areas to distal reaches, but those with multiple-layered lobes present a degree of complexity that make lava pathways and eruption sequences difficult to identify. A 3-D model based on field investigation of a single flow field establishes a volcanological context for geochemical sampling. Compositional v.ariation within each flow field suggests that small-s
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Eriksson, Tobias. "Variations in bioavailability of dissolved organic matter during a spring flood episode in northern Sweden /." Umeå : Swedish Univ. of Agricultural Sciences, 2004. http://epsilon.slu.se/9658927.pdf.

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Evans, S. T. "Variations in activity and psychological well-being in unemployed young adults." Thesis, University of Manchester, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.377464.

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Bourne, Geoffrey S. "Actinide and fission product activity variations in inter-tidal marine macrophytes." Thesis, Cardiff Metropolitan University, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.306854.

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Lachowycz, Stefan M. "Records of, and controls on, temporal variations in activity at arc volcanoes." Thesis, University of Oxford, 2016. https://ora.ox.ac.uk/objects/uuid:152a237e-76d1-409e-ba6d-fbb50da87b85.

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Many attributes of volcanic activity, whether physical, geochemical/petrological, or geophysical, change over timescales from minutes to millions of years. Understanding the nature of these variations and their controls is essential both for hazard assessment and to understand volcanic and magmatic processes. Arc volcanism entails a relatively broad range of eruption styles and magma compositions, and thus wide-ranging hazards and a variety of eruption records. Despite their significance, records of activity for many arc volcanoes are inadequately characterised, so any temporal variability is
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Byrdina, Svetlana. "Anomalous Self-Potential variations related to activity of Merapi volcano (Central Java)." Paris, Institut de physique du globe, 2004. http://www.theses.fr/2004GLOB0006.

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La thèse est consacrée à l'analyse des données d'une surveillance continue du Potentiel Spontané (PS), obtenues sur le volcan Merapi, dans le but d'identifier les signaux de PS liées à l'activité volcanique. La comparaison dePS avec la météorologie montre que les propriétés les plus manifestes dans les données de PS sont produites par des variations d'infiltration d'eau de pluie et de pression atmosphérique. Les techniques spéciales de traitement des données ont été developpé pour reduire les effets météorologiquies. Pour identifier les signaux associés à l'activité volcanique, les séries temp
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Sahlén, Adam. "Muscle activity in m.pectoralis major during bench press variations in healthy young males." Thesis, Högskolan i Halmstad, Akademin för ekonomi, teknik och naturvetenskap, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-29361.

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Background. The bench press is a commonly used resistance training exercise for targeting the chest musculature. During hypertrophy training, different variations of bench press are often used to isolate different segments (pars clavicularis, pars sternocostalis and pars abdominals) of the chest muscle m.pectoralis major. Commonly used variations of the bench press are decline bench press (less than 0° from horizontal) and incline bench press (more than  0° from horizontal). Some research has been done into these variations of bench angle and their effect on muscle activation; however other co
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Gäddnäs, Helena. "Long-term oral nicotine treatment and daily variations in brain monoamines and motor activity." Helsinki : University of Helsinki, 2002. http://ethesis.helsinki.fi/julkaisut/mat/farma/vk/gaddnas/.

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Harrington, Debra J. "Effect of river stage variations and flood events on trace metal mobilization and transport in the Apalachicola River Basin, NW Florida." Tallahassee, Fla. : Florida State University, 2001. http://purl.fcla.edu/fsu/lib/digcoll/etd/1191553.

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Books on the topic "Variations in flood activity"

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COSPAR, ed. International reference ionosphere and solar activity variations. Published for the Committee on Space Research [by] Elsevier, 2008.

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H, Hathaway David, Reichmann Edwin J, and George C. Marshall Space Flight Center., eds. On determining the rise, size, and duration classes of a sunspot cycle. National Aeronautics and Space Administration, 1996.

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H, Hathaway David, Reichmann Edwin J, and George C. Marshall Space Flight Center., eds. On determining the rise, size, and duration classes of a sunspot cycle. National Aeronautics and Space Administration, 1996.

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Wilson, Robert M. On determining the rise, size, and duration classes of a sunspot cycle. National Aeronautics and Space Administration, 1996.

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Congdon, Peter. Towards fair shares: The nationalPCG funding scheme and variations in health activity. Public Health Directorate, Barking & Havering Health Authority, 1999.

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Van Allen, James Alfred, 1914-, ed. Cosmic rays, the sun, and geomagnetism: The works of Scott E. Forbush. American Geophysical Union, 1993.

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George C. Marshall Space Flight Center, ed. North Atlantic basin tropical cyclone activity in relation to temperature and decadal-length oscillation patterns. National Aeronautics and Space Administration, Marshall Space Flight Center, 2009.

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A, Skli͡a︡rov I͡U︡, ред. Izmenchivostʹ osadkov, temperatury i solnechnai͡a︡ aktivnostʹ. Izd-vo Saratovskogo universiteta, 1990.

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A, Donahue Robert, Baliunas Sallie L. 1953-, and United States. National Aeronautics and Space Administration., eds. Persistent sub-yearly chromospheric variations in lower main-sequence stars: [Tau] Boö and Ü Com. National Aeronautics and Space Administration, 1997.

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A, Donahue Robert, Baliunas Sallie L. 1953- та United States. National Aeronautics and Space Administration., ред. Persistent sub-yearly chromospheric variations in lower main-sequence stars: [Tau] Boö and α Com. National Aeronautics and Space Administration, 1997.

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Book chapters on the topic "Variations in flood activity"

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Fox, Peter. "Solar activity and irradiance variations." In Solar Variability and Its Effects on Climate. American Geophysical Union, 2004. http://dx.doi.org/10.1029/141gm12.

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Kazachevskaya, T. V., A. I. Lomovsky, and A. A. Nusinov. "Solar EUV Flux Variations Near Activity Maxima." In The Sun as a Variable Star: Solar and Stellar Irradiance Variations. Springer Netherlands, 1994. http://dx.doi.org/10.1007/978-94-011-0950-5_12.

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Yoden, Shigeo, and Kohei Yoshida. "Impacts of Solar Activity Variations on Climate." In Solar-Terrestrial Environmental Prediction. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-19-7765-7_15.

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Clément, Maéva. "Organising Political Violence: Radicalisation and Militancy as Narrative Activity." In Radicalization and Variations of Violence. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-27011-6_2.

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Emanuel, Kerry A. "Climate Variations and Hurricane Activity: Some Theoretical Issues." In Hurricanes. Springer Berlin Heidelberg, 1997. http://dx.doi.org/10.1007/978-3-642-60672-4_3.

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Friis-Christensen, Eigil. "Solar Activity Variations and Possible Effects on Climate." In Space Storms and Space Weather Hazards. Springer Netherlands, 2001. http://dx.doi.org/10.1007/978-94-010-0983-6_9.

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Basu, Sarbani, and H. M. Antia. "Possible Solar Cycle Variations in the Convection Zone." In Helioseismic Diagnostics of Solar Convection and Activity. Springer Netherlands, 2000. http://dx.doi.org/10.1007/978-94-011-4377-6_30.

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Abel, H. H., D. Klüßendorf, E. Koralewski, R. Krause, and R. Droh. "Spectral Analysis of Heart Rate During Different States of Activity." In Temporal Variations of the Cardiovascular System. Springer Berlin Heidelberg, 1992. http://dx.doi.org/10.1007/978-3-662-02748-6_5.

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Pronik, I. "Emission Lines Variations in the Spectra of Seyfert Galaxies Nuclei.Observational Data." In Observational Evidence of Activity in Galaxies. Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-009-3851-9_25.

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Ruzmaikin, Alexander, Joan Feynman, and Paul Robinson. "Long-Term Persistence of Solar Activity." In The Sun as a Variable Star: Solar and Stellar Irradiance Variations. Springer Netherlands, 1994. http://dx.doi.org/10.1007/978-94-011-0950-5_47.

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Conference papers on the topic "Variations in flood activity"

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Howell, Kerri M. "Corrosion Investigation of a Reinforced Concrete Transit Tunnel." In CORROSION 1993. NACE International, 1993. https://doi.org/10.5006/c1993-93338.

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ABSTRACT Visual inspection and field testing were performed to identify the possible sources of reinforcing steel corrosion in a Transit System Tunnel. The testing included electrical continuity measurements, half cell potential measurements, stray current testing and resistivity and chemical analysis of the soil. The results of the investigation indicated that corrosion activity was occurring on the reinforcing steel mat at the interior face of the tunnel wall. There was also evidence that corrosion was occurring in the concrete pads to which the return rails are fastened. Chloride levels, me
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Liang, Zheng, Huijian Li, Junhang Zhou, Yongxu Feng, and Huijiao Lin. "Characteristics of Ionospheric Variations in Guangzhou During the 24th Solar Activity Cycle." In 2024 14th International Symposium on Antennas, Propagation and EM Theory (ISAPE). IEEE, 2024. https://doi.org/10.1109/isape62431.2024.10840757.

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Nickolaenko, A. P., O. Pechony, C. Price, and G. Satori. "Model Variations of Global Lightning Activity Derived from Optical Transient Detector Data." In 16th International Zurich Symposium and Technical Exposition on Electromagnetic Compatibility. IEEE, 2005. https://doi.org/10.23919/emc.2005.10806053.

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Hill, Dwight E., Bradley J. Remus, and Michael J. Undesser. "Control of Microbiological Related Problems in the Kuparuk River Unit Water Flood." In CORROSION 1987. NACE International, 1987. https://doi.org/10.5006/c1987-87378.

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Abstract This paper presents a case history of the development of microbiologically related problems in the Kuparuk River water flood system. These problems have progressed from the initial contamination of a pilot water flood and the souring of portions of the producing reservoir to control of full field sea water flood facilities installed in 1985. The monitoring system and technique used to detect and track SRB activity is described and the development of effective treatments to maintain control of the system is discussed.
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Trichtchenko, L. "Assessment of Telluric Activity in the Area of the Proposed Alaska Highway Pipeline." In CORROSION 2012. NACE International, 2012. https://doi.org/10.5006/c2012-01192.

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Abstract The geomagnetic field fluctuations are accompanied by the geo-electric (telluric) field and telluric currents at the surface of the Earth and in the pipelines. These telluric currents disturb pipeline cathodic protection levels, creating pipe-to-soil potential (PSP) fluctuations with different amplitudes. Amplitudes of PSP fluctuations directly depend on the telluric activity in the area of the pipeline location. To estimate the amplitudes of PSP variations due to telluric activity, pipeline circuit model based on Distributed Source Transmission Line Theory can be applied. The unknown
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Fernberg, P., L. Trichtchenko, D. H. Boteler, and L. McKee. "Telluric Hazard Assessment for Northern Pipelines." In CORROSION 2007. NACE International, 2007. https://doi.org/10.5006/c2007-07654.

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Abstract Telluric currents cause variations in pipe-to-soil potentials, which can override a pipeline’s cathodic protection system. The cumulative effect of the “unprotected” time can be significant in areas where telluric activity is high, such as the Canadian north. This paper presents a general approach to the assessment of telluric activity. Telluric currents observed in a pipeline are the result of three simultaneously operating factors: (1) variations of the Earth’s natural geomagnetic field, (2) conductivity of the underlying Earth and (3) pipeline electromagnetic properties and pipelin
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Valujeva, Kristine, Jovita Pilecka-Ulcugaceva, Kristaps Siltumens, Olga Skiste, and Inga Grinfelde. "TEMPORAL VARIATIONS IN GREENHOUSE GAS EMISSIONS FROM AGRICULTURAL SOILS." In 24th SGEM International Multidisciplinary Scientific GeoConference 2024. STEF92 Technology, 2024. https://doi.org/10.5593/sgem2024/3.1/s13.39.

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Soil moisture, soil temperature, nutrient availability, and land use practices affect the GHG emissions from soils. In this study, the aim is to determine and analyse GHG emissions from agricultural soils in five monitoring sites. The mobile spectrophotometer Picarro G2508 is used for the quantification of N2O, CH4, and CO2 soil flux across five monitoring sites used for agricultural production during the growing seasons from 2017 to 2023. Findings reveal significant variations in GHG emissions across the monitoring sites. Specifically, the average N2O emissions at monitoring sites used form a
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Malinović-Milićević, Slavica, Milan M. Radovanović, Ana Milanović Pešić, Milan Milenković, Boško Milovanović, and Gorica Stanojević. "USING MACHINE LEARNING IN STUDYING THE IMPACT OF SOLAR ACTIVITY ON EARTH." In Book of Abstracts and Contributed Papers. Geographical Institute "Jovan Cvijić" SASA, 2024. http://dx.doi.org/10.46793/csge5.17smm.

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Solar activity can significantly impact the Earth’s atmosphere through variations in electromagnetic radiation and solar energetic particles (SEPs). While the investigation of connections between electromagnetic radiation and Earth’s atmosphere has a long history, recently, there has been a growing interest in research on the rapid impact of SEPs on the weather and climate of the Earth. Entering the atmosphere, fast SEPs originating from a coronal mass ejection and coronal holes can increase ionization rates and affect the atmosphere’s processes. Although the penetration of SEPs into the magne
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Krantić, Emilija, Ivana Jovanović, Selena Pavličević, and Milica Pećanac. "Collaboration of local government units in the Skrapež river watershed for soil erosion control and active flood defense." In Planska i normativna zaštita prostora i životne sredine. University of Belgrade - Faculty of Geography, Belgrade, 2024. http://dx.doi.org/10.5937/lspupn24059k.

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Collaboration among local self-government units within the Skrapež River basin (municipalities of Čačak, Sevojno, Valjevo, Užice, Bajina Bašta, Požega, Gornji Milanovac, and Kosjerić) represents a crucial factor in controlling soil erosion and actively defending against floods in the area. The Skrapež River basin, characterized by a fan-shaped and symmetrical form, is situated within the microregion of Srpska Crna Gora within the Western Morava region. It features a specific topography ranging from a minimum elevation of 305 m to a maximum elevation of 1347 m. Hilly-mountainous terrain occupie
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Malgesini, G., L. Sartini, M. Bolla Pittaluga, et al. "Probabilistic Estimation of Turbidity Current Risk for Offshore Developments Under Changing Climate Conditions." In Innovative Geotechnologies for Energy Transition. Society for Underwater Technology, 2023. http://dx.doi.org/10.3723/iwzh7101.

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Recent advances in direct monitoring of submarine canyons activity suggest that metocean events can prime or ultimately trigger turbidity currents at sub-annual to centennial frequencies, challenging the paradigm that such highly destructive flows typically result from infrequent submarine landslides. Here we present a methodology aimed to link information on nearshore circulation and sediment resuspension events such as floods, tides and storms to the downslope evolution of turbidity flows, applied to cyclone-triggered turbidity currents affecting a deep-sea gas development offshore northern
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Reports on the topic "Variations in flood activity"

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Paul, A. K. Diurnal, Seasonal and Solar Activity Variations of F-Region Parameters. Defense Technical Information Center, 1994. http://dx.doi.org/10.21236/ada278106.

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Forbes, Jeffrey M. Thermosphere Structure Variations during High Solar and Magnetic Activity Conditions. Defense Technical Information Center, 1985. http://dx.doi.org/10.21236/ada171350.

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3

Hammerstrom, Joseph A., and Pierre-Richard J. Cornely. Total Electron Content (TEC) Variations and Correlation with Seismic Activity over Japan. Journal of Young Investigators, 2016. http://dx.doi.org/10.22186/jyi.31.4.13-16.

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Akasofu, S. I., and L. C. Lee. A Study of the Relationship between Solar Activity and Interplanetary Field Variations. Defense Technical Information Center, 1986. http://dx.doi.org/10.21236/ada169983.

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Bojilova, Rumiana, and Plamen Mukhtarov. Relationship Between Short-term Variations of Solar Activity and Critical Frequencies of the Ionosphere Represented by FoF2 and MUF3000. "Prof. Marin Drinov" Publishing House of Bulgarian Academy of Sciences, 2020. http://dx.doi.org/10.7546/crabs.2020.10.11.

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Lindberg, Laura D., Zoe H. Pleasure, and Ayana Douglas-Hall. Assessing State-Level Variations in High School Students’ Sexual and Contraceptive Behavior: The 2019 Youth Risk Behavior Surveys. Guttmacher Institute, 2020. http://dx.doi.org/10.1363/2020.32245.

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Key Points Sexual activity is a normal part of adolescent development, regardless of where young people live. ➔ There is greater variation between states in prescription method use than in condom use, suggesting that barriers to contraceptive care influence students’ method choice. ➔ High school students in Southern states tend to have higher rates of sexual activity but lower rates of contraceptive use than those in other U.S. regions. ➔ Recent patterns suggest that contraceptive use continues to be the main driver of declines in adolescent pregnancy. This report presents new state-level esti
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Robinson, Trina, Bryan Boruff, John Duncan, et al. Understanding variations in the built environment over time to inform longitudinal studies of young children's physical activity behaviour - The BEACHES Project. Institute for Social Science Research, The University of Queensland, 2024. http://dx.doi.org/10.14264/0ae8a48.

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Go, Eugenia, Kentaro Nakajima, Yasuyuki Sawada, and Kiyoshi Taniguchi. On the Use of Satellite-Based Vehicle Flows Data to Assess Local Economic Activity: The Case of Philippine Cities. Asian Development Bank, 2022. http://dx.doi.org/10.22617/wps220079-2.

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Satellite image-derived vehicle counts were used to measure local economic activity following the opening of the new terminal at the Mactan-Cebu International Airport in the Philippines. Results reveal that the terminal’s opening has had positive impacts on Cebu’s local economy. A comparison of the vehicle count measure with luminosity-derived metrics suggests that the former is better at capturing seasonal and spatial variations in treatment effects, especially for beach tourism activities in Cebu.
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Hoque, Mohammad Mainul, Kazi Iqbal, and Paritosh K. Roy. Impact Of Floods On Education Outcomes: Evidence From Bangladesh Using Satellite And Census Data. Bangladesh Institute of Development Studies, 2024. http://dx.doi.org/10.57138/nruh9916.

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We study the impact of floods on the education outcomes of high school students in Bangladesh. We construct satellite image-based measures of flood at the union level and combine them with the census data of all high schools for the years 2011-2018. Exploiting within-union variations of the flood measures, we find that the passing rates of public exams and school-based exams of the secondary schools in a union drop significantly if greater areas of that union are flooded. In the case of public exams, for example, the passing rates decreased by 4-9 per cent if the flooded area of a union increa
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Day, Christopher M., Hiromal Premachandra, and Darcy M. Bullock. Characterizing the Impacts of Phasing, Environment, and Temporal Factors on Pedestrian Demand at Traffic Signals. Purdue University, 2011. http://dx.doi.org/10.5703/1288284317352.

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There is a need for more and higher quality data on pedestrian demand patterns for a number of applications in planning, transportation engineering, public health, and other areas. It is particularly desirable to better characterize the influence of daily, weekly, and annual variations; the impact of weather and special events; and the effects of changes in pedestrian phasing. This paper proposes and demonstrates a methodology for quantifying the relative demand for pedestrian service at a signalized intersection by using the percent of signal cycles per hour in which the pedestrian phase was
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