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RECORD NUMBER: 431 OF 1721

OLS Field Name OLS Field Data
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
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NTIS  PB2011-107118 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. NTIS 11/09/2011
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.
Availability Notes Order this product from NTIS by: phone at 1-800-553-NTIS (U.S. customers); (703)605-6000 (other countries); fax at (703)605-6900; and email at orders@ntis.gov. NTIS is located at 5301 Shawnee Road, Alexandria, VA, 22312, USA.
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