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-5 LARGE SHARED DATABASES]

Document type:: Multivolume work

Structure type:: Chapter

Chapter

Title:: Creating and Managing a State-wide GIS Data Base for Evaluating Wildlife Habitats. Dean P. Angelides, Edward C. Murphy, Steven Self

Document type:: Multivolume work

Structure type:: Chapter

530 All machines were running ARC/INFO software. This software proved to be powerful and flexible for completing all phases of work from initial data capture through final product production. One of the most important features of ARC/INFO for use in this type of project is the ARC Macro Language (AML). AML allowed the automation of much of the processing, and in conjunction with coverage naming conventions, created a documented and consistent processing framework. Approximately 4,000 lines of AML code were developed to control processing on the UNIX workstations, and an additional 1,000 lines of SML (Simple Macro Language) were developed to control the data capture procedures on the PC workstations. Although this project could not have been completed without well planned and documented procedures, there still is no substitute for raw computing power in a project of this size. All the final processing and product production was completed on a Data General AV 400 Workstation, a dual processor machine rated at 33 MIPS. The largest of the tiles (approximately 10,000 final polygons derived from 3 data layers) took just under one hour to process. This processing, as well as generation of the fmal output products requiring the display and shading of approximately 120,000 polygons could actually be completed within time frames acceptable to impatient humans. APPLICATIONS The purpose of developing the WHS GIS data base was to provide a sound basis for evaluating state and federal land management policy issues at the landscape level. The first such issue to be addressed using the WHS data base is the habitat needs of the Northern Spotted Owl. The Northern Spotted Owl has been listed as Threatened by the US Fish and Wildlife Service, and numerous agencies, both state and federal, must coordinate their efforts to develop Habitat Conservation Plans. The WHS data base is currently being used in conjunction with habitat models to refine estimates of owl populations given the expected mix of forest management intensities found within proposed and alternative Habitat Conservation Areas. CONCLUSIONS Many of the most difficult issues facing land management agencies now are how and where to allocate scarce resources to apparently competing uses. The future challenges lie in developing complementary uses where possible. GIS technology and data bases such as the WHS are beginning to provide information that is understandable to not only the scientist, but to the policy-makers and their constituents as well.

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fullscreen: Proceedings of the Symposium on Global and Environmental Monitoring (Part 1)

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