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:: [WP-3 FOREST INVENTORY APPLICATIONS]

Document type:: Multivolume work

Structure type:: Chapter

Chapter

Title:: ANNUAL COUNTRY WIDE FOREST MONITORING IN SWEDEN: A PRELIMINARY ASSESSMENT OF REQUIREMENTS FOR THE WIDE-SCALE INTRODUCTION OF REMOTE SENSING IN SWEDEN'S NATIONAL FOREST INVENTORY. Randall Thomas, Bo Ranneby

Document type:: Multivolume work

Structure type:: Chapter

ANNUAL COUNTRY WIDE FOREST MONITORING IN SWEDEN: A PRELIMINARY ASSESSMENT OF REQUIREMENTS FOR THE WIDE-SCALE INTRODUCTION OF REMOTE SENSING IN SWEDEN’S NATIONAL FOREST INVENTORY Randall Thomas, Visiting Professor and Bo Ranneby, Professor Swedish University of Agricultural Sciences Faculty of Forestry Department of Forest Survey S-90183 UmcS, Sweden Abstract Sweden annually performs an inventory of its 450,000 square kilometer area to obtain information on existing forest and other natural resources and their change through time. The current inventory procedure is based on a systematically-located sample of square traverses or "tracts", on which are located either temporary or permanent sample plots. Approximately 18,500 of these sample plots are measured every year in the Swedish National Forest Inventory (NFI) in order provide information for national and regional policy making and planning. In order to respond to the need for more precise forest state, change, and environmental impact statistics, and to provide information for smaller administrative areas, the Swedish NFI will be adapted over the next several years to use remote sensing data on a wide-scale. This process will involve a phased implementation of satellite- and aircraft-acquired remote sensing data, taking advantage of the extensive NFI ground plot system. Key findings and recommendations from a preliminary assessment of what it will take to accomplish this goal are presented here. Key Words: forest inventory, remote sensing, sampling, estimation, cooperation CONTEXT The Department of Forest Survey of the Swedish Faculty of Forestry has determined that a program will be initiated to integrate the use of remote sensing techniques in their annual, nationwide forest inventory conducted on behalf of the government. The Swedish National Forest Inventory (NFI) is currently based on data obtained from approximately 18,500 ground plots occurring along permanent and temporary rectangular sample tracts (Ranneby and others, 1987). These tracts, forming sample plot clusters, are in turn systematically located across the country. While conducted efficiently and on annual basis, growing national and local requirements for more precise estimates of forest change and environmental impact, and for location-specificity, require that the system be improved. To obtain this improved capability, the Department of Forest Survey wishes to combine the wealth of information available from its current ground plot system, modified and/or supplemented as necessary, with satellite and possibly also aircraft-acquired remote sensing data. Specific parameters for

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