Hydrologic Modeling Of The Piasa Creek Watershed The Effects Of Land Use On Hydrologic Regime
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Hydrologic Modeling Of The Piasa Creek Watershed The Effects Of Land Use On Hydrologic Regime
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Author : Brian Kwiatkowski
language : en
Publisher:
Release Date : 2006
Hydrologic Modeling Of The Piasa Creek Watershed The Effects Of Land Use On Hydrologic Regime written by Brian Kwiatkowski and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Freshwater ecology categories.
Land Use Change In The Piasa Creek Watershed
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Author : Neeta R. Satam
language : en
Publisher:
Release Date : 2005
Land Use Change In The Piasa Creek Watershed written by Neeta R. Satam and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Land use categories.
Using A Mathematical Model To Assess The Hydrological Effects Of Land Use Change
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Author : K. J. Langford
language : en
Publisher:
Release Date : 1976
Using A Mathematical Model To Assess The Hydrological Effects Of Land Use Change written by K. J. Langford and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1976 with Hydrologic cycle categories.
Hydrologic Modeling Of The Court Creek Watershed
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Author : Deva K. Borah
language : en
Publisher:
Release Date : 2000
Hydrologic Modeling Of The Court Creek Watershed written by Deva K. Borah and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Erosion categories.
Hydrologic And Ecological Effects Of Watershed Urbanization
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Author : Chan Yong Sung
language : en
Publisher:
Release Date : 2011
Hydrologic And Ecological Effects Of Watershed Urbanization written by Chan Yong Sung and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with categories.
In this study, I examined the effect of watershed urbanization on the invasion of alien woody species in riparian forests. This study was conducted in three major steps: 1) estimating the degree of watershed urbanization using impervious surface maps extracted from remote sensing images; 2) examining the effect of urbanization on hydrologic regime; and 3) investigating a relationship between watershed urbanization and ecosystem invasibility of a riparian forest. I studied twelve riparian forests along urban-rural gradients in Austin, Texas. Hydrologic regimes were quantified by transfer function (TF) models using four-year daily rainfall-streamflow data in two study periods (10/1988-09/1992 and 10/2004-09/2008) between which Austin had experienced rapid urbanization. For each study period, an impervious surface map was generated from Landsat TM image by a support vector machine (SVM) with pairwise coupling. SVM more accurately estimated impervious surface than other subpixel mapping methods. Ecosystem invasibilities were assessed by relative alien cover (RAC) of riparian woody species communities. The results showed that the effects of urbanization differ by hydrogeologic conditions. Of the study watersheds, seven located in a hillslope region experienced the diminishing peakflows between the two study periods, which are contrary to current urban hydrologic model. I attributed the decreased peakflows to land grading that transformed a hillslope into a stair-stepped landscape. In the rest of the watersheds, peakflow diminished between the two study periods perhaps due to the decrease in stormwater infiltration and groundwater pumpage that lowered groundwater level. In both types of watersheds, streamflow rising during a storm event more quickly receded as watershed became more urbanized. This study found a positive relationship between RAC and watershed impervious surface percentage. RAC was also significantly related to flow recession and canopy gap percentages, both of which are indicators of hydrologic disturbance. These results suggest that urbanization facilitated the invasion of alien species in riparian forests by intensifying hydrologic disturbance. The effects of urbanization on ecosystems are complex and vary by local hydrologeologic conditions. These results imply that protection of urban ecosystems should be based on a comprehensive and large-scale management plan.
Hydrology For Land Use Planning
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Author : Maryland-National Capital Park and Planning Commission
language : en
Publisher:
Release Date : 1977
Hydrology For Land Use Planning written by Maryland-National Capital Park and Planning Commission and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1977 with Hydrology categories.
A Hydrologic Study Of The Bear Creek Watershed Using Gis And The Hec Hydrologic Modeling System
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Author : Rodney Kenyal Jones
language : en
Publisher:
Release Date : 2001
A Hydrologic Study Of The Bear Creek Watershed Using Gis And The Hec Hydrologic Modeling System written by Rodney Kenyal Jones and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with categories.
Floods are an increasingly significant hazard in the United States because of the major changes to the hydrology of the landscape. Floods cause financially greater loss and more loss of life per year than any other natural hazard. In order to best assess floods and their effects on landscape most effectively, hydrologic modeling was conducted on the Bear Creek watershed in central Iowa, which extends over portions of three counties, Hamilton, Hardin and Story. Geographic Information System (GIS) was used to obtain the necessary data for completion of this project. A Digital Elevation Model (DEM) was the primary data set used for the hydrologic modeling. The DEM was used to model hydrologic processes due to the changes in elevation. A triangulated irregular network (TIN) was created from the DEM to see these changes in another dimension. The Hydrologic Engineering Center-Hydrologic Modeling System (HEC-HMS) was used to assess the landscape characteristics of the Bear Creek watershed. HEC-HMS is a modeling system designed to simulate the precipitation-runoff in watersheds.
Emerging Challenges To Food Production And Security In Asia Middle East And Africa
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Author : Mohamed Behnassi
language : en
Publisher: Springer Nature
Release Date : 2021-07-28
Emerging Challenges To Food Production And Security In Asia Middle East And Africa written by Mohamed Behnassi and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-07-28 with Science categories.
This book, as a part of a series of CERES publications, provides a multi-regional and cross-sectoral analysis of food and water security, especially in the era of climate risks, biodiversity loss, pressure on scarce resources, especially land and water, increasing global population, and changing dietary preferences. It includes both conceptual research and empirically-based studies, which provides context-specific analyses and recommendations based on a variety of case studies from Africa, Middle East, and Asia regarding the fostering of long-term resilience of food and water security. The core approach of the volume consists of: assessing the structural drivers affecting the vulnerability of food and water security, under the persistence of current trends; identifying the best solutions and practices to enhance the climate resilience for food and water security; and fostering climate adaptation and biodiversity protection for food and water security.
Coal Geology
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Author : Larry Thomas
language : en
Publisher: John Wiley & Sons
Release Date : 2020-07-13
Coal Geology written by Larry Thomas and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-07-13 with Science categories.
A global exploration of coal geology, from production and use to chemical properties and coal petrology Coal Geology, 3rd Edition, offers a revised and updated edition of this popular book which provides a comprehensive overview of the field of coal geology including coal geophysics, hydrogeology and mining. Also covered in this volume are fully revised coverage of resource and reserve definitions, equipment and recording techniques together with the use of coal as an alternative energy source as well as environmental implications. This third edition provides a textbook ideally suited to anyone studying, researching or working in the field of coal geology, geotechnical engineering and environmental science. Fills the gap between academic aspects of coal geology and the practical role of geology in the coal industry Examines sedimentological and stratigraphical geology, together with mining, geophysics, hydrogeology, environmental issues and coal marketing Defines global coal resource classifications and methods of calculation Addresses the alternative uses of coal as a source of energy Covers a global approach to coal producers and consumers
Effects Of Agricultural Conservation Practices On Fish And Wildlife
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Author :
language : en
Publisher:
Release Date : 2008
Effects Of Agricultural Conservation Practices On Fish And Wildlife written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with Agricultural conservation categories.
"The bibliography is a guide to recent scientific literature covering effects of agricultural conservation practices on fish and wildlife. The citations listed here provide information on how conservation programs and practices designed to improve fish and wildlife habitat, as well as those intended for other purposes (e.g., water quality improvement), affect various aquatic and terrestrial fauna"--Abstract.