WETLAND AND WATER RESOURCE MODELING AND ASSESSMENT: A Watershed Perspective - Chapter 15 ppt
WETLAND AND WATER RESOURCE MODELING AND ASSESSMENT: A Watershed Perspective - Chapter 15 ppt
... Wetland and Water Resource Modeling and AssessmentREFERENCESBernard, P., and L. Antoine. 2004. Principal component analysis: An appropriate tool for water quality evaluation and management-application ... a water body and vegetation, the near-infrared band is the most useful in distinguishing the land -and- water boundary and ground vegetation (Zhen and Chen 1995, Tan et al. 2004). Bands 1 and ... Wetland and Water Resource Modeling and Assessment 15. 2 MATERIALS AND METHODS 15. 2.1 BUILDING AN EVALUATION INDICATOR SYSTEMMany factors, including biophysical and anthropogenic factors, may...
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WETLAND AND WATER RESOURCE MODELING AND ASSESSMENT: A Watershed Perspective - Chapter 1 ppt
... The coastal wetlands only used a single-season late spring leaf-off image from mid-March. Prairie wetlands, forest wetlands, and ripar-ian wetlands utilized a two-season (leaf-off and peak phenological ... China, with many marshes, grass-lands, and alluvial oodplains in its watershed. The wetland area of Poyang Lake Basin has diverse ora and fauna and provides important habitats for many migra-tory ... emphasizes a watershed perspective in the modeling and assessment areas. The term watershed means a geographic area where water drains into a body of water such as a river, lake, or wetland. ...
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WETLAND AND WATER RESOURCE MODELING AND ASSESSMENT: A Watershed Perspective - Chapter 14 pptx
... (for high-impact land categories such as urban and agricultural land), by 3 (for moderate land use impacts such as fallow pasture, park, and suburban residential), whereas forested land was multiplied ... riparian land use and nearest neighbor) and water conductivity. As verication of its utility, the WDA was highly correlated with detailed land use and water quality measures, as well as measures ... 170 Wetland and Water Resource Modeling and Assessment14.3 RESULTSActual land use in a 1-km buffer around each wetland was well represented by the estimated land use categories (Figure...
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WETLAND AND WATER RESOURCE MODELING AND ASSESSMENT: A Watershed Perspective - Chapter 19 ppt
... fea-tures and human activities in the watershed. Both natural and human features of the landscape are important for characterizing the natural potential for a water body, how human activities have affected ... the watershed using a random sampling design strati-ed by water body type (streams, lakes, and wetlands). Random sampling enables scaling assessments from a fraction of all water bodies to an ... activities produce contaminants and habi-tat alterations that affect both ecological and human health. Ecological and human health, as well as many other factors, are measurable attributes of ecosystem...
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WETLAND AND WATER RESOURCE MODELING AND ASSESSMENT: A Watershed Perspective - Chapter 20 pptx
... is a data-intensive neural net model that predicts land use change at the level of 30-m pixels across the landscape. Neural-net “imagined” landscapes, coupled with a standard 20-year climate ... progress and techniques being employed in a collaborative risk assessment for the Muskegon River watershed, a large and valu-able tributary of Lake Michigan.Both watershed- based modeling and river ... landscape-based system for ecological assessment of Lake Michigan tributaries. In State of Lake Michigan: Ecology, health and management, ed. T. Edsall and M. Munawar. Aquatic Ecosystem Health and...
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WETLAND AND WATER RESOURCE MODELING AND ASSESSMENT: A Watershed Perspective - Chapter 2 doc
... informa-tion from the image by masking out the water bodies. Seven land cover types, includ-ing built-up area, wetland (with vegetation), grassland, forest, bare land, muddy beach, and farmland ... examining spectral characteris-tics, three groups of objects with spectral similarity were identied: (a) wetland and grassland/forest, (b) bare land and developing urban area, and (c) built-up ... spectral comparison of the built-up urban area with the muddy beach.© 2008 by Taylor & Francis Group, LLC16 Wetland and Water Resource Modeling and Assessmentbodies and built-up areas are close...
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WETLAND AND WATER RESOURCE MODELING AND ASSESSMENT: A Watershed Perspective - Chapter 3 doc
... (3.1)22 Wetland and Water Resource Modeling and Assessmentmarsh vegetation and invasive species in fragmented coastal wetlands. Schmidt and Skidmore (2003), for example, examined and tested ... of wetlands and open water within the Meadowlands, and 12 km2 of salt marsh vegetation including high marsh species Patens (Spartina patens) and Dis-tichlis (Distichlis spicata), and low marsh ... residential and industrial land uses interspersed among expanses of landlls, marsh grass elds, tidal wetlands creeks, mudats, and rivers (Figure 3.1). There are approximately Band 32Band 17Band...
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WETLAND AND WATER RESOURCE MODELING AND ASSESSMENT: A Watershed Perspective - Chapter 4 pot
... and A is the total area of the Carex landscape.The fragmentation index of the Carex landscape in the Poyang Lake wetland area is 0.6041 (0 represents landscape that has not been depleted, and ... spectral library and the spectral angle map-ping approach, and (3) to assess the accuracy of the presented approach.© 2008 by Taylor & Francis Group, LLC40 Wetland and Water Resource Modeling ... Taylor & Francis Group, LLC34 Wetland and Water Resource Modeling and Assessmentwhere C is the landscape fragmentation index of Carex, ∑Ni stands for the total number of Carex landscape...
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WETLAND AND WATER RESOURCE MODELING AND ASSESSMENT: A Watershed Perspective - Chapter 5 doc
... inter-annual variation in climate and potential loss of groundwater reserves. A doubling of local populations around metropolitan areas will have a limited impact on interan-nual WASSI variability. ... accurately assess future water supply and demand if water limitations are to be minimized. However, estimates of average annual water sup-ply and demand will be of limited use in water planning. ... watershed evapotranspiration for each watershed in cm per year, calculated by an empirical formula as a function of potential evapotranspiration, precipitation, and land cover types; and GS = his-toric...
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WETLAND AND WATER RESOURCE MODELING AND ASSESSMENT: A Watershed Perspective - Chapter 6 docx
... described the water problem including seasonal drought and water stor-age capacity in a red soil area. Wang et al. (1996) analyzed the variations in rainfall, evaporation, and water storage and supply ... 60 Wetland and Water Resource Modeling and Assessmenthave rarely been undertaken in the red soil areas of China. SWAT (Soil and Water Assessment Tool) (Arnold et al. 1998) is a distributed ... Assessment Watershed attributes and vegetation characteristics of catchments are gained with investigation (Table 6.2). For the forest and grass catchments, a wet and a dry year (2000 and 2001) of daily...
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