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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
earth and planetary sciences
The Southern Africa Fire Network (SAFNet) regional burned-area product-validation protocol
International Journal of Remote Sensing, Volume 26, No. 19, Year 2005
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Description
The development of appropriate validation techniques is critical to assess uncertainties associated with satellite-data-based products, to identify needed product improvements and to allow products to be used appropriately. At regional to global scales, there are several outstanding issues in the development of robust validation methodologies, including the need to increase the quality and economy of product validation by developing and promoting international validation standards and protocols. This paper describes a protocol developed to validate a regional southern Africa burned-area product derived from Moderate Resolution Imaging Spectroradiometer (MODIS) 500 m time series data. The protocol is based upon interpretations by members of the Southern Africa Fire Network (SAFNet) of multitemporal Landsat Enhanced Thematic Mapper plus (ETM+) data to derive maps of the location and approximate date of burning. The validation data are derived using Landsat ETM+ scenes distributed to encompass representative regional variation in the conditions for which the MODIS burned-area product was generated and to capture the more important factors that influence product performance. The protocol was developed by consensus to ensure inter-comparison of the independent data derived by the different SAFNet members and to allow these data to be scaled up to provide regional validation of the MODIS burned-area product. Biomass burning in southern Africa, the ETM+ sampling rationale, the interpretation and mapping approach, SAFNet member fire activities, and illustrative 2001 results and difficulties encountered with the protocol are described. © 2005 Taylor & Francis.
Authors & Co-Authors
Roy, Droy P.
United States, College Park
University of Maryland, College Park
United States, Greenbelt
Nasa Goddard Space Flight Center
Frost, Peter G.H.
Zimbabwe, Harare
University of Zimbabwe
Justice, Christopher Owen
United States, College Park
University of Maryland, College Park
Landmann, Tobias T.O.
South Africa, Pretoria
The Council for Scientific and Industrial Research
Le Roux, J. L.
Namibia, Windhoek
Etosha National Park
Gumbo, K.
Zimbabwe, Harare
Forestry Commission Zimbabwe
Makungwa, Stephy D.
Malawi, Lilongwe
Lilongwe University of Agriculture and Natural Resources
Dunham, K.
Zimbabwe, Harare
Wwf Southern Africa Regional Programme Office
Du Toit, R.
Zimbabwe, Harare
Wwf Southern Africa Regional Programme Office
Mhwandagara, K.
Zimbabwe, Harare
Geospatial Solutions Zimbabwe
Zacarias, A.
Mozambique, Maputo
Ministério de Agricultura e Desenvolvimento Rural
Tacheba, Budzanani
Botswana, Gaborone
University of Botswana
Dube, Opha Pauline
Botswana, Gaborone
University of Botswana
Pereira, J. M.C.
Portugal, Lisbon
Instituto de Investigação Científica Tropical
Mushove, P. T.
Mozambique, Maputo
Ministério de Agricultura e Desenvolvimento Rural
Morisette, Jeffrey T.
United States, Greenbelt
Nasa Goddard Space Flight Center
Santhana Vannan, S. K.
United States, College Park
University of Maryland, College Park
Davies, D.
United States, College Park
University of Maryland, College Park
Statistics
Citations: 128
Authors: 18
Affiliations: 12
Identifiers
Doi:
10.1080/01431160500113096
ISSN:
01431161
e-ISSN:
13665901