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Spatial relations between floodplain environments and land use – land cover of a large lowland tropical river valley: Pánuco basin, México

Hudson, Paul und Colditz, Rene und Augilar-Robledo, Miguel (2006) Spatial relations between floodplain environments and land use – land cover of a large lowland tropical river valley: Pánuco basin, México. Environmental Management, 38 (3), Seiten 487-503. Springer. DOI: 10.1007/s00267-003-0157-4.

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Kurzfassung

Large lowland river valleys include a variety of floodplain environments that represent opportunities and constraints for human activities. This study integrates extensive field observations and geomorphic data with analysis of satellite remote sensing data to examine spatial relations between land use/land cover (LULC) and floodplain environments in the lower P;nuco basin of eastern Mexico. The floodplain of the lower P;nuco basin was delineated by combining a digital elevation model with a satellite image of a large flood event. The LULC was classified by combining a hybrid classification strategy with image stratification, applied to 15-m-resolution ASTER data. A geomorphic classification of floodplain environments was performed using a dry-stage image (ASTER data) and a 1993 Landsat image acquired during a large flood event. Accuracy assessment was based on aerial photographs (1:38,000), global positioning satellite groundtruthing, and a Landsat 7ETM+ image from 2000, which resulted in an overall accuracy of 82.9% and a KHAT of 79.8% for the LULC classification. The geomorphic classification yielded 83.5% overall accuracy, whereas the KHAT was 81.5%. LULC analysis was performed for the entire floodplain and individually within four valley segments. The analysis indicates that the study area is primarily utilized for grazing and farming. Agriculture is primarily associated with coarse-grained (sandy/silty) natural levee and point bar units close to the river channel, whereas cattle grazing occurs in distal and lower-lying reaches dominated by cohesive fine-grained (clayey) deposits, such as backswamps. In the P;nuco valley, wetlands and lakes occur within backswamp environments, whereas in the Moctezuma segments, wetlands and lakes are associated with relict channels. This study reveals considerable variation in LULC related to spatial differences in floodplain environments and illustrates the importance of considering older anthropogenic influences on the landscape. The research design should be applicable for other large lowland coastal plain river valleys where agriculture is a major component of the floodplain landscape.

Dokumentart:Zeitschriftenbeitrag
Titel:Spatial relations between floodplain environments and land use – land cover of a large lowland tropical river valley: Pánuco basin, México
Autoren:
AutorenInstitution oder E-Mail-Adresse der Autoren
Hudson, PaulUniversity of Texas at Austin, Department of Geography
Colditz, ReneNICHT SPEZIFIZIERT
Augilar-Robledo, MiguelUniversidad Autonoma de San Luis Potosi, Instituto de Investigaciones Humanisticas
Datum:2 Juni 2006
Erschienen in:Environmental Management
Referierte Publikation:Ja
In ISI Web of Science:Ja
Band:38
DOI :10.1007/s00267-003-0157-4
Seitenbereich:Seiten 487-503
Verlag:Springer
Status:veröffentlicht
Stichwörter:floodplains, remote sensing, ASTER, land use – land cover classification, Moctezuma – Pánuco, Mexico, floodplain geomorphology
HGF - Forschungsbereich:Verkehr und Weltraum (alt)
HGF - Programm:Weltraum (alt)
HGF - Programmthema:W EO - Erdbeobachtung
DLR - Schwerpunkt:Weltraum
DLR - Forschungsgebiet:W EO - Erdbeobachtung
DLR - Teilgebiet (Projekt, Vorhaben):W - Vorhaben Geowissenschaftl. Fernerkundungs- und GIS-Verfahren (alt)
Standort: Oberpfaffenhofen
Institute & Einrichtungen:Deutsches Fernerkundungsdatenzentrum > Umwelt und Sicherheit > Umwelt und Geoinformation
Hinterlegt von: Rene Colditz
Hinterlegt am:04 Sep 2006
Letzte Änderung:27 Apr 2009 13:03

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