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Scene selection and the use of NASA's global orthorectified Landsat dataset for land cover and land use change monitoring

Scene selection and the use of NASA's global orthorectified Landsat dataset for land cover and land use change monitoring
Scene selection and the use of NASA's global orthorectified Landsat dataset for land cover and land use change monitoring
This study examines the utility of NASA's circa 1990 and circa 2000 global orthorectified Landsat dataset for land cover and land use change mapping and monitoring across Africa. This is achieved by comparing the temporal and spatial variation of NDVI, measured independently by the NOAA-AVHRR at the time of Landsat scene acquisition, against the seasonal mean for each Landsat scene extent. Decadal sequences of drift-corrected NOAA-AVHRR imagery were used to calculate NDVI means and standard deviations for the periods covered by the scenes composing the c.1990 and c.2000 Landsat datasets. The specific NOAA-AVHRR NDVI values at the acquisition date of each individual Landsat scene were also calculated and the differences, both from the mean and scaled by standard deviation, were mapped for the Landsat scene footprints in the c.1990 and c.2000 datasets. The resulting maps show the temporal position of each Landsat scene within the seasonal NDVI cycle, and provide a valuable guide to assist in quantifying uncertainty and interpreting land cover and land use changes inferred from these Landsat data.
0143-1161
3073-3078
Tatem, Andrew J.
6c6de104-a5f9-46e0-bb93-a1a7c980513e
Nayar, Anjali
bced2ce9-a92a-4930-90da-007eafca7b99
Hay, Simon I.
471d3ae4-a3c1-4d29-93e3-a90d44471b00
Tatem, Andrew J.
6c6de104-a5f9-46e0-bb93-a1a7c980513e
Nayar, Anjali
bced2ce9-a92a-4930-90da-007eafca7b99
Hay, Simon I.
471d3ae4-a3c1-4d29-93e3-a90d44471b00

Tatem, Andrew J., Nayar, Anjali and Hay, Simon I. (2007) Scene selection and the use of NASA's global orthorectified Landsat dataset for land cover and land use change monitoring. International Journal of Remote Sensing, 27 (14), 3073-3078. (doi:10.1080/01431160600589195). (PMID:21994469)

Record type: Article

Abstract

This study examines the utility of NASA's circa 1990 and circa 2000 global orthorectified Landsat dataset for land cover and land use change mapping and monitoring across Africa. This is achieved by comparing the temporal and spatial variation of NDVI, measured independently by the NOAA-AVHRR at the time of Landsat scene acquisition, against the seasonal mean for each Landsat scene extent. Decadal sequences of drift-corrected NOAA-AVHRR imagery were used to calculate NDVI means and standard deviations for the periods covered by the scenes composing the c.1990 and c.2000 Landsat datasets. The specific NOAA-AVHRR NDVI values at the acquisition date of each individual Landsat scene were also calculated and the differences, both from the mean and scaled by standard deviation, were mapped for the Landsat scene footprints in the c.1990 and c.2000 datasets. The resulting maps show the temporal position of each Landsat scene within the seasonal NDVI cycle, and provide a valuable guide to assist in quantifying uncertainty and interpreting land cover and land use changes inferred from these Landsat data.

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More information

Published date: 22 February 2007
Organisations: Geography & Environment

Identifiers

Local EPrints ID: 344474
URI: http://eprints.soton.ac.uk/id/eprint/344474
ISSN: 0143-1161
PURE UUID: 3de235e1-bc6d-48f6-8f4a-f201cd94bef8
ORCID for Andrew J. Tatem: ORCID iD orcid.org/0000-0002-7270-941X

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Date deposited: 25 Oct 2012 08:38
Last modified: 15 Mar 2024 03:43

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Contributors

Author: Andrew J. Tatem ORCID iD
Author: Anjali Nayar
Author: Simon I. Hay

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