Monitoring seasonal and annual wetland changes in a freshwater marsh with SPOT HRV data

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Eleven dates of SPOT HRV data along with near-concurrent vertical aerial photographic and phenological data for 1987, 1988, and 1989 were evaluated to determine seasonal and annual changes in a 400-hectare, southeastern freshwater marsh. Early April through mid-May was the best time to discriminate among the cypress (Taxodium distichum)/water tupelo (Nyssa acquatica) swamp forest and the non-persistent (Ludwigia spp.) and persistent (Typha spp.) stands in this wetlands. Furthermore, a ten-fold decrease in flow rate from 11 cubic meters per sec (cms) in 1987 to one cms in 1988 was recorded in the marsh followed by a shift to drier wetland … continued below

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14 pages

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Mackey, H.E. Jr. January 1, 1989.

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Eleven dates of SPOT HRV data along with near-concurrent vertical aerial photographic and phenological data for 1987, 1988, and 1989 were evaluated to determine seasonal and annual changes in a 400-hectare, southeastern freshwater marsh. Early April through mid-May was the best time to discriminate among the cypress (Taxodium distichum)/water tupelo (Nyssa acquatica) swamp forest and the non-persistent (Ludwigia spp.) and persistent (Typha spp.) stands in this wetlands. Furthermore, a ten-fold decrease in flow rate from 11 cubic meters per sec (cms) in 1987 to one cms in 1988 was recorded in the marsh followed by a shift to drier wetland communities. The Savannah River Site (SRS), maintained by the US Department of Energy, is a 777 km{sup 2} area located in south central South Carolina. Five tributaries of the Savannah River run southwest through the SRS and into the floodplain swamp of the Savannah River. This paper describes the use of SPOT HRV data to monitor seasonal and annual trends in one of these swamp deltas, Pen Branch Delta, during a three-year period, 1987--1989.

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14 pages

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OSTI; NTIS; GPO Dep.

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  • American Congress on Surveying and Mapping-Society of Photogrammetry and Remote Sensing (ACSM-ASPRS) spring convention, Denver, CO (United States), 18-23 Mar 1990

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  • Other: DE92009770
  • Report No.: WSRC-RP-89-834
  • Report No.: CONF-9003158--2
  • Grant Number: AC09-89SR18035
  • Office of Scientific & Technical Information Report Number: 5623243
  • Archival Resource Key: ark:/67531/metadc1091908

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  • January 1, 1989

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  • Feb. 10, 2018, 10:06 p.m.

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  • May 1, 2019, 4:24 p.m.

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Mackey, H.E. Jr. Monitoring seasonal and annual wetland changes in a freshwater marsh with SPOT HRV data, article, January 1, 1989; Aiken, South Carolina. (https://digital.library.unt.edu/ark:/67531/metadc1091908/: accessed July 16, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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