Download or read book The Effects of Land Use Change on the Numerical Modeling of Regional Climate and Watershed Runoff in the Great Lakes Region written by Michael Barlage and published by . This book was released on 2001 with total page 422 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book PREDICTING THE IMPACTS OF CLIMATE CHANGE ON THE GREAT LAKES WATER LEVELS USING A FULLY COUPLED 3D REGIONAL MODELING SYSTEM written by and published by . This book was released on 2021 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract : The Great Lakes of North America are the largest surface freshwater system in the world and many ecosystems, industries, and coastal processes are sensitive to the changes in their water levels. The recent changes in the Great Lakes climate and water levels have particularly highlighted the importance of water level prediction. The water levels of the Great Lakes are primarily governed by the net basin supplies (NBS) of each lake which are the sum of over-lake precipitation and basin runoff minus lake evaporation. Recent studies have utilized Regional Climate Models (RCMs) with a fully coupled one-dimensional (1D) lake model to predict the future NBS, and the Coordinated Great Lakes Regulating and Routing Model (CGLRRM) has been used to predict the future water levels. However, multiple studies have emphasized the need for a three-dimensional (3D) lake model to accurately simulate the Great Lakes water budget. Therefore, in this study, we used the Great Lakes-Atmosphere Regional Model (GLARM) along with the Large Basin Runoff Model (LBRM) and CGLRRM to predict the changes in NBS and water levels by the mid- and late twenty-first century. GLARM is a 3D regional climate modeling system for the Great Lakes region that is fully coupled to a 3D hydrodynamic lake and ice model. This is the first study to use such an advanced model for water level prediction in the Great Lakes. We found that both annual over-lake precipitation and basin runoff are most likely to increase into the future. We also found that annual lake evaporation is most likely to decrease in Lake Superior but increase in all the other lakes. We posit that the decreases in evaporation are due to decreased wind speed over the lakes and decreased difference between saturated and actual specific humidity over the lakes. Our predicted changes in the three components of NBS would lead to mostly increased NBS and water levels in the future. The ensemble average of our predicted water level changes for Lake Superior, Michigan-Huron, and Erie are +0.14 m, +0.37 m, and +0.23 m by the mid-twenty-first century, respectively, and +0.47 m, +1.29 m, and +0.80 m by the late twenty-first century, respectively. However, due to the multiple sources of uncertainties associated with climate modeling and predictions, the water level predictions from this study should not be viewed as exact predictions. These predictions are unique to our model configuration and methodology. Other studies can easily predict different water level changes through the use of different models and methodologies. Therefore, more predictions from advanced modeling systems like GLARM are needed to generate a consensus on future water level changes in the Great Lakes.
Download or read book American Doctoral Dissertations written by and published by . This book was released on 2000 with total page 816 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Understanding the Impacts of Historic Climate Variability and Climate Change on Lakes in the Great Lakes Region written by Mishar Vimal and published by . This book was released on 2010 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Lakes and wetlands are prevalent in the Great Lakes Region of the United States. They play an important role in regional and local hydroclimatology due to the large differences in albedo, heat capacity, roughness and energy exchange in comparison to that of the land surface. Lakes and wetlands affect the regional water cycle by providing additional storage for surface runoff within a watershed. Water leaves the watershed more slowly, which leads to an increase in evaporation and baseflow. Lakes influence the energy cycle by changing the partitioning of energy cycle components (i.e. latent heat, sensible heat, and net radiation) due to differences in albedo, heat capacity, and roughness with vegetative surface. Climate variability and climate change affect the regional scale water and energy cycle by modifying climatic variables such as precipitation, air temperature, solar radiation, and wind speed. These variables influence the seasonal dynamics of lakes including heat storage during the ice-free season and ice cover in the winter. Changes in lake ice and heat storage in turn feedback to local and regional climate making them a potentially important part of the climate system in regions with lots of small lakes (i.e. Great Lakes Region). The overarching goal of this study is to understand the impacts of historic climate variability and climate change on lakes and wetlands in the Great Lakes Region of the United States. To study hydroclimatic impacts, an integrated approach combining in-situ and remotely sensed observations with land surface modeling is adopted. The Variable infiltration capacity (VIC) model with a physically based lake algorithm was used to study the long-term (1916-2007) impacts of historic climate variability and climate change. The VIC model was calibrated and evaluated against daily streamflow, energy fluxes, inundation area, lake water temperature, and lake ice freeze-up and break-up dates. A method for developing depth-area relationships for the lakes in the study domain is derived based on observed bathymetric data for lakes in Michigan and applied to lakes in Minnesota and Wisconsin."--Pages xviii-xix.
Download or read book Fast Processes in Large Scale Atmospheric Models written by Yangang Liu and published by John Wiley & Sons. This book was released on 2023-12-11 with total page 483 pages. Available in PDF, EPUB and Kindle. Book excerpt: Improving weather and climate prediction with better representation of fast processes in atmospheric models Many atmospheric processes that influence Earth’s weather and climate occur at spatiotemporal scales that are too small to be resolved in large scale models. They must be parameterized, which means approximately representing them by variables that can be resolved by model grids. Fast Processes in Large-Scale Atmospheric Models: Progress, Challenges and Opportunities explores ways to better investigate and represent multiple parameterized processes in models and thus improve their ability to make accurate climate and weather predictions. Volume highlights include: Historical development of the parameterization of fast processes in numerical models Different types of major sub-grid processes and their parameterizations Efforts to unify the treatment of individual processes and their interactions Top-down versus bottom-up approaches across multiple scales Measurement techniques, observational studies, and frameworks for model evaluation Emerging challenges, new opportunities, and future research directions The American Geophysical Union promotes discovery in Earth and space science for the benefit of humanity. Its publications disseminate scientific knowledge and provide resources for researchers, students, and professionals.
Download or read book Selected Water Resources Abstracts written by and published by . This book was released on 1991 with total page 962 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Potential Climate Change Effects on Great Lakes Hydrodynamics and Water Quality written by David C. L. Lam and published by ASCE Publications. This book was released on 1999-01-01 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report provides a state-of-the-art review of the climate change effects on lake hydrodynamics and water quality. Most of the engineering cases in this book deal with the ability of existing infrastructure to cope with extreme weather conditions. The case studies are intended to illustrate the advancement in modeling research on lake hydrodynamics, thermal stratification, pollutant transport, and water quality by highlighting the climate change aspects in the application of these techniques. Topics include climate and lake responses, lake thermodynamics, large-scale circulation, wind-waves on large lakes, great lakes ice cover, and water quality.
Download or read book Predicting the Impacts of Land Use and Climate on Regional scale Hydrologic Fluxes written by Anthony D. Kendall and published by . This book was released on 2009 with total page 464 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Hydroclimatology of the Great Lakes Region of North America written by Julie A. Winkler and published by Frontiers Media SA. This book was released on 2022-11-14 with total page 243 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Dissertation Abstracts International written by and published by . This book was released on 2007 with total page 1044 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Management Programs Research and Effects of Present Land Use Activities on Water Quality of the Great Lakes written by International Reference Group on Great Lakes Pollution from Land Use Activities. Task Group A. United States Section and published by . This book was released on 1974 with total page 586 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Selected Water Resources Abstracts written by and published by . This book was released on 1991 with total page 760 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Using a Mathematical Model to Assess the Hydrological Effects of Land use Change written by K. J. Langford and published by . This book was released on 1976 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Cumulative Impacts of Climate Change and Land Use Change on Water Quantity and Quality in the Narragansett Bay Watershed written by Evan R. Ross and published by . This book was released on 2014 with total page 81 pages. Available in PDF, EPUB and Kindle. Book excerpt: Narragansett Bay, Rhode Island, is a valuable natural resource that suffers summer hypoxic events resulting from over a century of cultural eutrophication. Current efforts to reduce nitrogen loading from wastewater treatment facilities discharging into the Bay and its tributaries hold the promise of working towards ecological restoration. But, the efficacy of these efforts may be limited, or undone, if future changes in climate or land use increase nutrient and sediment loads to the Bay. This study developed a SWAT model of the upper Narragansett Bay watershed to simulate water quantity and quality. The baseline model was calibrated and validated to accurately reflect watershed behavior. I then used the model to simulate water quantity and quality under an altered climate, with an IPCC projected increase in temperature of 3°C and a 10% increase in precipitation by 2080. A second scenario incorporated projected 2080 land use in the absence of climate change. The third scenario combined the climate change and land use change alterations to examine cumulative impacts. A comparison of scenario outputs against the baseline simulation highlighted the expected impacts climate change and land use change will have on the watershed. Both climate change and land use change demonstrated impacts on surface runoff, water yield, PET and ET, streamflow, and loading of sediment, organic N, organic P and nitrate. Climate impacts were much greater than land use impacts, but land use impacts displayed greater regional variation. The results of the combined simulation indicate that future climate and land use change will likely negatively impact the Bay and undermine current efforts at restoration. However, the results also highlight the potential to utilize land use to mitigate some of the impacts of climate change.
Download or read book Management Programs Research and Effects of Present Land Use Activities on Water Quality of the Great Lakes written by International Reference Group on Great Lakes Pollution from Land Use Activities. Task Group A. United States Section and published by . This book was released on 1974 with total page 632 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Preparing for a Changing Climate written by and published by University of Michigan Atmospheric Oceanic & Space Sciences. This book was released on 2000 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Management Programs Research and Effects of Present Land Use Activities on Water Quality of the Great Lakes written by International Reference Group on Great Lakes Pollution from Land Use Activities. U. S. Section of Task Group A. and published by . This book was released on 1974 with total page 642 pages. Available in PDF, EPUB and Kindle. Book excerpt:
