Proceedings of the Symposium on Global and Environmental Monitoring: Proceedings of the Symposium on Global and Environmental Monitoring

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Persistent identifier:: 856665355

Title:: Proceedings of the Symposium on Global and Environmental Monitoring

Sub title:: techniques and impacts ; September 17 - 21, 1990, Victoria Conference Centre, Victoria, British Columbia, Canada

Year of publication:: 1990

Place of publication:: Victoria, BC

Publisher of the original:: [Verlag nicht ermittelbar]

Identifier (digital):: 856665355

Language:: English

Document type:: Multivolume work

Volume

Persistent identifier:: 856669164

Title:: Proceedings of the Symposium on Global and Environmental Monitoring

Sub title:: techniques and impacts; September 17 - 21, 1990, Victoria Conference Centre, Victoria, British Columbia, Canada

Scope:: XIV, 912 Seiten

Year of publication:: 1990

Place of publication:: Victoria, BC

Publisher of the original:: [Verlag nicht ermittelbar]

Identifier (digital):: 856669164

Illustration:: Illustrationen, Diagramme, Karten

Signature of the source:: ZS 312(28,7,1)

Language:: English

Usage licence:: Attribution 4.0 International (CC BY 4.0)

Editor:: International Society for Photogrammetry and Remote Sensing, Commission of Photographic and Remote Sensing Data

Publisher of the digital copy:: Technische Informationsbibliothek Hannover

Place of publication of the digital copy:: Hannover

Year of publication of the original:: 2016

Document type:: Volume

Collection:: Earth sciences

Chapter

Title:: [TP-1 GLOBAL MONITORING (1)]

Document type:: Multivolume work

Structure type:: Chapter

Chapter

Title:: USE OF GAC DATA FOR MONITORING THE CANADIAN LANDMASS. M. A D'lorio, J. Cihlar, and D. W. Mullins

Document type:: Multivolume work

Structure type:: Chapter

48 USE OF GAC DATA FOR MONITORING THE CANADIAN LANDMASS M.A D’lorio (1), J. Cihlar (1), and D W Mullins (2) (1) Canada Centre For Remote Sensing 1547 Merivale Road Nepean, Ontario, K1A 0Y7 TEL: (613) 952-0500 FAX: (613) 952-7353 (2) Intera Renting 1525 Carling Avenue Ottawa, Ontario, K1Z 8R9 TEL: (613) 728-6111 FAX: (613) 728-4009 ABSTRACT One of the difficulties associated with monitoring global vegetation using satellite data is the need for both good temporal and spatial coverage. The Canada Centre for Remote Sensing (CCRS), through its Global Change Program, has been evaluating the use of data from the Advanced Very High Resolution Radiometer (AVHRR) on board the National Oceanic and Atmospheric Administration (NOAA) satellite. Composites of North American data at Global Area Coverage (GAC) were obtained from NASA through a cooperative project These data have a nominal resolution of 4 km and had been calibrated using pre-launch sensor values. The study period chosen was from 1982 to 1986 inclusive. The purpose of the study was to evaluate annual variations in the seasonal profiles of the Normalized Difference Vegetation Index (NDVI) for areas of different landuse. The primary landcover types were selected from a map of ecological regions, or ecodistricts, obtained from Environment Canada. The seasonal profiles displayed yearly shifts in the response of the NDVI to changing environmental conditions such as drought The variations in seasonal NDVI profiles illustrate both yearly phenomena and more generalized trends in vegetation growth patterns.

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