Remote sensing and GIS for wetland inventory, mapping and change analysis

Rebelo, L.M.; Finlayson, C. Max; Nagabhatla, Nidhi

doi:10.1016/j.jenvman.2007.06.027

Cited by 307 publications

(129 citation statements)

References 6 publications

(14 reference statements)

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“…The application of remote sensing and GIS plays an important role in filling the gaps in wetland inventory and could reduce uncertainties due to data availability constraints (Rebelo et al, 2009). Radar data sets are gradually obtaining a more prominent role in wetland mapping, not only in scientific projects but also in operational practices that require information on wetlands' presence, extent, and conditions (Henderson and Lewis, 2008).…”

Section: Introductionmentioning

confidence: 99%

Flood occurrence mapping of the middle Mahakam lowland area using satellite radar

Hidayat

Hoekman

Vissers³

et al. 2012

Hydrol. Earth Syst. Sci.

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Abstract. Floodplain lakes and peatlands in the middle Mahakam lowland area are considered as ecologically important wetland in East Kalimantan, Indonesia. However, due to a lack of data, the hydrological functioning of the region is still poorly understood. Among remote sensing techniques that can increase data availability, radar is well-suitable for the identification, mapping, and measurement of tropical wetlands, for its cloud unimpeded sensing and night and day operation. Here we aim to extract flood extent and flood occurrence information from a series of radar images of the middle Mahakam lowland area. We explore the use of Phased Array L-band Synthetic Aperture Radar (PALSAR) imagery for observing flood inundation dynamics by incorporating field water level measurements. Water level measurements were carried out along the river, in lakes and in peatlands, using pressure transducers. For validation of the open water flood occurrence map, bathymetry measurements were carried out in the main lakes. A series of PALSAR images covering the middle and lower Mahakam area in the years 2007 through 2010 were collected. A fully inundated region can be easily recognized on radar images from a dark signature. Open water flood occurrence was mapped using a threshold value taken from radar backscatter of the permanently inundated river and lakes areas. Radar backscatter intensity analysis of the vegetated floodplain area revealed consistently high backscatter values, indicating flood inundation under forest canopy. We used those values as the threshold for flood occurrence mapping in the vegetated area.

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Section: Introductionmentioning

confidence: 99%

Flood occurrence mapping of the middle Mahakam lowland area using satellite radar

Hidayat

Hoekman

Vissers³

et al. 2012

Hydrol. Earth Syst. Sci.

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“…La suma de las áreas intervenidas por estas actividades alcanza más del 90 % de toda el área transformada de los humedales del país. Esto concuerda en gran medida con los principales impulsores de cambio de los humedales en otras partes del mundo (Rebelo et al 2009, Niu et al 2012, Rodríguez-Eraso et al 2013, aunque en Colombia sobresale la ganadería, que da cuenta por sí sola del aprovechamiento de más del 50 % de las áreas de humedal transformadas en el país, con más de cuatro millones de hectáreas de humedal transformado que hoy tienen coberturas asociadas al pastoreo.…”

Section: Discussionunclassified

Análisis espacial cuantitativo de la transformación de humedales continentales en Colombia

Patiño¹

2016

Biotacol

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“…There is great uncertainty about the number and extent of wetlands globally (Rebelo et al 2009a). This uncertainty is due, in part, to differences in definitions (i.e., what actually constitutes a wetland) 1 and, in part, to differences in methods of mapping and approaches to inventorying.…”

Section: Wetland Extent and Distributionmentioning

confidence: 99%

Wetlands, agriculture and poverty reduction

McCartney¹,

Rebelo²,

Sellamuttu³

et al. 2010

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Wetlands, Agriculture and Poverty Reduction RESEARCH IWMI R E P O R T I n t e r n a t i o n a l Water Management I n s t i t u t e years IWMI Celebrating Research ReportsThe publications in this series cover a wide range of subjects-from computer modeling to experience with water user associations-and vary in content from directly applicable research to more basic studies, on which applied work ultimately depends. Some research reports are narrowly focused, analytical and detailed empirical studies; others are wide-ranging and synthetic overviews of generic problems.Although most of the reports are published by IWMI staff and their collaborators, we welcome contributions from others. Each report is reviewed internally by IWMI staff, and by external reviewers. The reports are published and distributed both in hard copy and electronically (www.iwmi.org) and where possible all data and analyses will be available as separate downloadable files. Reports may be copied freely and cited with due acknowledgment. About IWMIIWMI's mission is to improve the management of land and water resources for food, livelihoods and the environment. In serving this mission, IWMI concentrates on the integration of policies, technologies and management systems to achieve workable solutions to real problems-practical, relevant results in the field of irrigation and water and land resources.

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Remote sensing and GIS for wetland inventory, mapping and change analysis

Cited by 307 publications

References 6 publications

Flood occurrence mapping of the middle Mahakam lowland area using satellite radar

Flood occurrence mapping of the middle Mahakam lowland area using satellite radar

Análisis espacial cuantitativo de la transformación de humedales continentales en Colombia

Wetlands, agriculture and poverty reduction

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