Determination of Land Use from Satellite Imagery for Input to Hydrologic Models PDF Download
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Author: Robert P. Webb
Publisher:
ISBN:
Category : Aerial photography in hydrology
Languages : en
Pages : 28
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Book Description
A land use/land cover identification methodology using LANDSAT imagery has been applied to six watersheds across the U.S. The land use information is stored in a grid cell data bank and is the basis for calibration of hydrologic parameters for watershed models. Flood frequency studies have been completed on four of the watersheds with land use derived from both satellite data and conventional low altitude aerial photography. This paper discusses our experience using the LANDSAT land use classification procedure and compares hydrologic results obtained from the alternative determinations of land use. (Author).
Author: Robert P. Webb
Publisher:
ISBN:
Category : Aerial photography in hydrology
Languages : en
Pages : 28
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Book Description
A land use/land cover identification methodology using LANDSAT imagery has been applied to six watersheds across the U.S. The land use information is stored in a grid cell data bank and is the basis for calibration of hydrologic parameters for watershed models. Flood frequency studies have been completed on four of the watersheds with land use derived from both satellite data and conventional low altitude aerial photography. This paper discusses our experience using the LANDSAT land use classification procedure and compares hydrologic results obtained from the alternative determinations of land use. (Author).
Author: P. P. Mujumdar
Publisher:
ISBN: 9781107235441
Category : Climatic changes
Languages : en
Pages : 177
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Book Description
"Hydrologic modelling of floods enables more accurate assessment of climate change impacts on flood magnitudes and frequencies. This book synthesises various modelling methodologies available to aid planning and operational decision making, with emphasis on methodologies applicable in data scarce regions, such as developing countries. Topics covered include: physical processes which transform precipitation into flood runoff, flood routing, assessment of likely changes in flood frequencies and magnitudes under climate change scenarios, and use of remote sensing, GIS and DEM technologies in modelling of floods to aid decision making. Problems included in each chapter, and supported by links to available online data sets and modelling tools accessible at www.cambridge.org/mujumdar, engage the reader with practical applications of the models"--
Author: Arlen Feldman
Publisher:
ISBN:
Category : Hydrologic models
Languages : en
Pages : 14
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Book Description
Author:
Publisher:
ISBN:
Category : Hydraulic engineering
Languages : en
Pages : 24
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Book Description
Author: John Charles Peters
Publisher:
ISBN:
Category : HEC-HMS (Computer program)
Languages : en
Pages : 16
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Book Description
Author: National Research Council
Publisher: National Academies Press
ISBN: 0309288363
Category : Science
Languages : en
Pages : 267
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Book Description
People are constantly changing the land surface through construction, agriculture, energy production, and other activities. Changes both in how land is used by people (land use) and in the vegetation, rock, buildings, and other physical material that cover the Earth's surface (land cover) can be described and future land change can be projected using land-change models (LCMs). LCMs are a key means for understanding how humans are reshaping the Earth's surface in the past and present, for forecasting future landscape conditions, and for developing policies to manage our use of resources and the environment at scales ranging from an individual parcel of land in a city to vast expanses of forests around the world. Advancing Land Change Modeling: Opportunities and Research Requirements describes various LCM approaches, suggests guidance for their appropriate application, and makes recommendations to improve the integration of observation strategies into the models. This report provides a summary and evaluation of several modeling approaches, and their theoretical and empirical underpinnings, relative to complex land-change dynamics and processes, and identifies several opportunities for further advancing the science, data, and cyberinfrastructure involved in the LCM enterprise. Because of the numerous models available, the report focuses on describing the categories of approaches used along with selected examples, rather than providing a review of specific models. Additionally, because all modeling approaches have relative strengths and weaknesses, the report compares these relative to different purposes. Advancing Land Change Modeling's recommendations for assessment of future data and research needs will enable model outputs to better assist the science, policy, and decisionsupport communities.
Author: William J. Charley
Publisher:
ISBN:
Category : Flood forecasting
Languages : en
Pages : 14
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Book Description
Author:
Publisher:
ISBN:
Category : HEC-6 (Computer program)
Languages : en
Pages : 18
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Book Description
Author:
Publisher:
ISBN:
Category : Geophysics
Languages : en
Pages : 688
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Book Description
Author: Abhas K. Jha
Publisher: World Bank Publications
ISBN: 0821394770
Category : Business & Economics
Languages : en
Pages : 639
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Book Description
Urban flooding is an increasing challenge today to the expanding cities and towns of developing countries. This Handbook is a state-of-the art, user-friendly operational guide that shows decision makers and specialists how to effectively manage the risk of floods in rapidly urbanizing settings--and within the context of a changing climate.
