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Main Title Developing Impervious Surface Estimates for Coastal New Hampshire. A Final Report to The New Hampshire Estuaries Project.
Author D. Justice ; F. Rubin
CORP Author New Hampshire Univ., Durham. Inst. for the Study of Earth, Oceans and Space.; New Hampshire Office of State Planning, Concord.; Environmental Protection Agency, Research Triangle Park, NC. National Estuary Program.
Year Published 2003
Stock Number PB2011-107118
Additional Subjects Coastal areas ; Estuaries ; New Hampshire ; Watersheds ; Land use ; Satellite imagery ; Thematic mappers(Landsat) ; Water quality ; Environmental impacts ; Water pollution sources ; Urban areas
Library Call Number Additional Info Location Last
NTIS  PB2011-107118 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation 26p
Abstract Estimates of impervious surface acreage in 1990 and 2000 were generated for a 48-town region in coastal New Hampshire, including the 43 towns within Zones A and B of the New Hampshire Estuaries Project (NHEP) Area. The estimates were based on applying both traditional and subpixel classification techniques to 30-meter Landsat 5 Thematic Mapper (TM) and Landsat 7 Enhanced Thematic Mapper Plus (ETM+) satellite image data. The classifications indicated that 4.3% (31,233 acres) of the study area was impervious in 1990, with an increase to 6.3% (45,445 acres) impervious coverage in 2000. At the subwatershed level, the Portsmouth Harbor subwatershed recorded the highest percentage of impervious surface acreage in both 1990 and 2000, with 19.8% coverage (2,310 acres) and 25.5% coverage (2,975 acres) respectively.
Supplementary Notes Sponsored by New Hampshire Office of State Planning, Concord. and Environmental Protection Agency, Research Triangle Park, NC. National Estuary Program.
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PUB Date Free Form Jan 2003
Category Codes 47C; 48C; 43F; 68D
NTIS Prices PC A03
Document Type NT
Cataloging Source NTIS/MT
Control Number 119200080
Origin NTIS
Type CAT