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

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Multivolume work

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:: EVALUATING AIRBORNE LINEAR ARRAY TECHNOLOGY FOR OPERATIONAL FOREST INVENTORY APPLICATIONS IN BRITISH COLUMBIA. Paul G. Pilon

Document type:: Multivolume work

Structure type:: Chapter

linear array technology. Since the width and positioning of each band (up to 288 simultaneously) is programmable and can be changed inflight to reflect localized conditions (e.g. forest type or insect or disease damage) application-specific data can be acquired in a more efficient and cost-effective manner. The software programmability of these systems make them compatible with the use of expert systems. An inflight expert system could evaluate the spectral signature over a given area and by comparing with existing spectral libraries and other expert knowledge, determine optimal band width and positioning and the flying height required to optimize data collection over a site. Ideally, any new developments in airborne linear array technology would incorporate the operationally capability of the MEIS system with the flexible programmability of the FLI and CASI systems. This would provide a truly operational system which could indeed function as a viable alternative to conventional aerial photography. 5.2 Recommendations General: Research has shown a tremendous potential for applications of linear array imager data to assist in forest inventory and management. The requirements for additional research can be categorized as: 1) immediate research to prove the operational feasibility of existing and proposed airborne linear array systems for forestry applications, 2) research to develop immediate applications (this includes study through the pilot stage into an operational stage), 3) long term applications research (this would include development of automated techniques), and 4) development of the methodologies, software and hardware to conduct processing and undertake applications in an efficient, cost- effective manner. Specific: 1) Operational testing is required to evaluate the types of forestry-related information that can be obtained from available linear array systems (e.g. MEIS, FLI and CASI). 2) The capability of stereo airborne linear array imagery for stand height measurements and terrain correction requires further investigation. 3) Inexpensive imaging spectrometers (e.g. CASI) need to be investigated as a means of establishing signature libraries for forest covers and for determining optimal wavelengths for special forestry applications (e.g. disease and insect damage assessment). 4) The feasibility of integrating airborne linear array data into existing geo- referenced forest inventory databases need to be examined. This would require an examination of available processing systems for airborne digital data (e.g. the ability to mosaic images to obtain large area coverage) and interfaces to computer- based geographic information systems. 6.0 REFERENCES Ahem, F.J., 1988. The Effects of Bark Beetle Stress on Foliar Spectral Reflectance of Lodgepole Pine, International Journal of Remote Sensing, 9:9, pp. 1451-1468. Ahem, FJ., W.J. Bennett, and E.G. Kettela, 1986. An Initial Evaluation of Two Digital Airborne Imagers for Surveying Spruce Budworm Defoliation, Photogrammetric Engineering and Remote Sensing, 52:10, pp. 1647-1654. Ahem, FJ., W.J. Bennett, and E.G. Kettela, 1985. Surveying Spruce Budworm Defoliation with an Airborne Pushbroom Scanner: A Summary, in Proc., 10th William Pecora Memorial Symposium, Fort Collins, Colorado, Aug. 20-22, pp. 228-234. Banninger, 1988. Spectral Response Characteristics of a Metal-Stressed Coniferous Forest as Measured by FLI Airborne Imaging Spectrometer in Proc., IGARSS ’88 Symposium, Edinburgh, Scotland, Sept. 13-16, pp. 1331-1334. Borstad G.A., DA. Hill, and R.C. Kerr, 1989. Use of the Compact Airborne Spectrographic Imager (CASI): Laboratory Examples. Presented at, IGARSS '89, Vancouver, B.C., July 10-14. Buxton, RA.H., 1988. The FLI Airborne Imaging Spectrometer: A Highly Versatile Sensor for Many Applications. In Proc., ESA Workshop on Imaging Spectrometry for Land Applications, Frascati, Italy, April 1988, pp. 11-16. Edel, H. and H. Bianchi, 1986. Summary Report of the Workshop on Remote Sensing of Fluorescence Signals, Department of Fisheries and Oceans, Canada. 391

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