Quantifying Impacts Of Global Change On Hydrology And Sediment
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Quantifying Impacts Of Global Change On Hydrology And Sediment
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Author : Travis A. Dahl
language : en
Publisher:
Release Date : 2019
Quantifying Impacts Of Global Change On Hydrology And Sediment written by Travis A. Dahl and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019 with Electronic dissertations categories.
The hydrologic cycle evolves over time, with landscape changes driving differences in evapotranspiration, runoff, and groundwater recharge while climate change affects the timing and magnitude of precipitation as well as temperature. These changes also affect how sediment moves across the landscape and through watersheds. In this dissertation, I examine how land use changes and climate change both affect the movement of water and sediment through watersheds in the Great Lakes Basin.Extreme cases of land use change, such as the logging and forest fires that affected large swaths of the Great Lakes in the late 19th and early 20th centuries, can greatly increase both streamflow and sediment transport. Chapter 1 utilizes the process-based Landscape Hydrologic Model (LHM) to examine the hydrologic effects of land use change from the forested pre-settlement condition to clearcut, burned, and modern land uses in the northwestern corner of Michigan's Lower Peninsula. I show that extensive fires could have increased streamflow by 160% relative to the virgin forest landscape and 96% relative to the logged scenario. Chapter 2 focuses on modeling of the Jordan River watershed, showing that logging may have increased sediment transport in the river by up to 34% compared to pre-settlement conditions and a watershed-wide fire could have increased the sediment transport capacity by as much as 166% above the pre-settlement levels. A reach-based sediment budgeting tool, the Sediment Impact Assessment Methods (SIAM), highlights the possibility of complex system responses to land use change over time.Chapter 3 explores the potential impacts of climate change on sediment yield and dredging costs in the adjacent Maumee and St. Joseph River watersheds where I project that dredging costs may change in opposite directions (−8 to −16% in the St. Joseph but +1 to +6% in the Maumee). This difference between the two watersheds is driven by differences in the proportion of farmland and assumptions about how farmers will respond to a changing climate. I also show that there is a large variation in sediment yield and sediment discharge predictions because of the differences among the various Global Climate Model (GCM) projections.Rather than downscale and run all of the GCM projections, many researchers average a subset of the projections together and use the ensembled climate data as the input to hydrologic models. In Chapter 4, I compare different climate change scenario ensembling methodologies to determine if they produce the same results. I show that a climate ensemble produces significantly (p
Climate Change Impacts On Hydrological Processes And Sediment Dynamics Measurement Modelling And Management
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Author : Sergey Chalov
language : en
Publisher: Springer
Release Date : 2019-03-13
Climate Change Impacts On Hydrological Processes And Sediment Dynamics Measurement Modelling And Management written by Sergey Chalov and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-03-13 with Science categories.
This book offers a collection of conference articles presented at the Second International Young Scientists Forum on Soil and Water Conservation and ICCE symposium 2018 “Climate Change Impacts on Sediment Dynamics: Measurement, Modelling, and Management” held at Moscow from 27 to 31 August 2018. This conference was organized by World Association of Soil and Water Conservation (WASWAC) and Lomonosov Moscow State University in cooperation with the International Commission on Continental Erosion of the International Association of Hydrological Sciences and World Large rivers Initiative. Topics in this book cover a wide range of questions related to fluvial geomorphology, water studies, and sediment transport.
The Impact Of Global Change On Erosion And Sediment Transport By Rivers
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Author : Desmond E. Walling
language : en
Publisher: UNESCO
Release Date : 2009
The Impact Of Global Change On Erosion And Sediment Transport By Rivers written by Desmond E. Walling and has been published by UNESCO this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Erosion categories.
Climate Change Impacts In Hydrology Quantification And Societal Adaptation
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Author :
language : en
Publisher:
Release Date : 2009
Climate Change Impacts In Hydrology Quantification And Societal Adaptation written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with categories.
The research presented here attempts to bridge science and policy through the quantification of climate change impacts and the analysis of a science-fed participatory process to face a sustainability challenge in the San Pedro Basin (Arizona). Paper 1 presents an assessment of a collaborative development process of a decision support system model between academia and a multi-stakeholder consortium created to solve water sustainability problems in a local watershed. This study analyzes how science-fed multi-stakeholder participatory processes lead to sustainability learning promoting resilience and adaptation. Paper 2 presents an approach to link an ensemble of global climate model outputs with a hydrological model to quantify climate change impacts in the hydrology of a basin, providing a range of uncertainty in the results. Precipitation projections for the current century from different climate models and IPCC scenarios are used to obtain recharge estimates as inputs to a groundwater model. Quantifying changes in the basin's water budget due to changes in recharge, evapotranspiration (ET) rates are assumed to depend only on groundwater levels. Picking on such assumption, Paper 3 explores the effects of a changing climate on ET. Using experimental eddy covariance data from three riparian sites, it analyzes seasonal controls on ET. An approach to quantify evapotranspiration rates and growing season length under warmer climates is proposed. Results indicate that although atmospheric demand will be greater, increasing pan and reference crop evaporation, ET rates at the studied field sites will remain unchanged due to stomatal regulation. However, the length of the growing season will increase, mainly with an earlier leaf-out and at a lesser level by a delayed growing season end. These findings - implying decreased aquifer recharge, increased riparian water use and a lesser water balance - are very relevant for water management in semi-arid regions. Paper 4, in which I am second author, explores the theory relating changes in area-average and pan evaporation. Using the same experimental data as Paper 3, it corroborates a previous theoretical relationship and discusses the validity of Bouchet's hypothesis.
Handbook Of Climate Change Impacts On River Basin Management
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Author : Saeid Eslamian
language : en
Publisher: CRC Press
Release Date : 2024-08-26
Handbook Of Climate Change Impacts On River Basin Management written by Saeid Eslamian and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-08-26 with Technology & Engineering categories.
Climate change not only involves rising temperatures but it can also alter the hydro-meteorological parameters of a region and the corresponding changes emerging in the various biotic or abiotic environmental features. One of the results of climate change has been the impact on the sediment yield and its transport. These changes have implications for various other environmental components, particularly soils, water bodies, water quality, land productivity, sedimentation processes, glacier dynamics, and risk management strategies to name a few. This volume presents a diverse collection of case studies from researchers across the globe examining the impacts of climate change on river basin management in various geographical, hydrological, and socioeconomic contexts. The case studies yield important insights that can inform strategies to build resilience and adapt river basins to a changing climate.
Handbook Of Climate Change Impacts On River Basin Management
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Author : Saeid Eslamian
language : en
Publisher: CRC Press
Release Date : 2024-08-29
Handbook Of Climate Change Impacts On River Basin Management written by Saeid Eslamian and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-08-29 with Technology & Engineering categories.
Climate change not only involves rising temperatures but it can also alter the hydro-meteorological parameters of a region and the corresponding changes emerging in the various biotic or abiotic environmental features. One of the results of climate change has been the impact on the sediment yield and its transport. These changes have implications for various other environmental components, particularly soils, water bodies, water quality, land productivity, sedimentation processes, glacier dynamics, and risk management strategies to name a few. This volume provides an examination of the technological approaches to water management, and the practical applications for remote sensing, satellite image processing, and advanced statistical methods, all which can be utilized to predict, monitor, and manage the effects of climate change on river basins.
Handbook Of Climate Change Impacts On River Basin Management
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Author : Saeid Eslamian
language : en
Publisher: CRC Press
Release Date : 2024-08-29
Handbook Of Climate Change Impacts On River Basin Management written by Saeid Eslamian and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-08-29 with Technology & Engineering categories.
Climate change not only involves rising temperatures but it can also alter the hydro-meteorological parameters of a region and the corresponding changes emerging in the various biotic or abiotic environmental features. One of the results of climate change has been the impact on the sediment yield and its transport. These changes have implications for various other environmental components, particularly soils, water bodies, water quality, land productivity, sedimentation processes, glacier dynamics, and risk management strategies to name a few. This volume provides an overview of the fundamental processes and impacts of climate change on river basin management and examines issues related to soil erosion, sedimentation, and contaminants, as well as rainfall-runoff modeling and flood mitigation strategies. It also includes coverage of climate change fundamentals as well as chapters on related global treaties and policies.
Evaporation Under Natural Conditions
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Author : Mikhail Ivanovich Budyko
language : en
Publisher:
Release Date : 1963
Evaporation Under Natural Conditions written by Mikhail Ivanovich Budyko and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1963 with Evaporation (Meteorology). categories.
Quantifying The Impacts Of Climate And Land Use Changes On The Hydrological Response Of A Monsoonal Catchment
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Author : Nor Aizam Adnan
language : en
Publisher:
Release Date : 2010
Quantifying The Impacts Of Climate And Land Use Changes On The Hydrological Response Of A Monsoonal Catchment written by Nor Aizam Adnan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with categories.
Understanding Hydrological Extremes And Their Impact In A Changing Climate Observations Modeling And Attribution
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Author : Xingcai Liu
language : en
Publisher: Frontiers Media SA
Release Date : 2021-03-12
Understanding Hydrological Extremes And Their Impact In A Changing Climate Observations Modeling And Attribution written by Xingcai Liu and has been published by Frontiers Media SA this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-03-12 with Science categories.