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:: [TA-1 OPENING PLENARY SESSION]

Document type:: Multivolume work

Structure type:: Chapter

Chapter

Title:: GLOBAL and ENVIRONMENTAL MONITORING the challenges to educators. K. J. Beek and H. A. M. J. van Gils

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Structure type:: Chapter

12 ISPRS Commission VII Symposium Victoria (BC) - Canada, September 17 - 21, 1990 GLOBAL and ENVIRONMENTAL MONITORING the challenges to educators K.J. Beek and H.A.M.J. van Gils * INTRODUCTION AND SUMMARY New environmental problems have reached general public awareness in the last decade especially those on the GLOBAL scale such as: • the stratospheric Antarctic ozone-hole, • the green house effect or global warming, • acid rain leading to "Waldsterben", • desertification and • deforestation New tools which support our monitoring of these conditions and the exploration of future scenarios are or will be operational; these are • firstly, remote sensing satellites; especially those with high temporal resolution and/or a large area coverage (NOAA, Meteosat, ERS-1) • Geo Information Systems known as GIS; both PC-based and for powerful mainframes/workstations Global environmental problems often involve interaction of the atmosphere, biosphere and hydrosphere (as in global warming); therefore scientific understanding of these global problems requires interdisciplinary natural sciences, in other words geography. Global environmental problems involve fluxes of matter and energy, that is ecology. However both geography and ecology have to be practiced currently on relative extreme spatio- temporal scales for human perception. These are either short temporal scales (hours) over large areas: as is shown by clouds, oceanic currents, wind, air and water temperature; or long temporal scales (decades) such as changes in atmospheric CO2 concentrations. Following Lovelock (1979), we have to learn to look upon the globe as GAIA: the living planet, as a self regulating ecosystem stabilizing itself (e.g. atmospheric oxygen concentra tion) with corrective feedback loops. The specifics of these stabilizing GAIA functions are only conjectured but we willingly and wittingly risk their deregulation and the establish ment of new but less condusive equilibria by the waste and residues of our economic activities. * International Institute for Aerospace Survey and Earth Sciences (ITC), P.O. Box 6, 7500 AA Enschede, the Netherlands

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