Remote sensing for resources development and environmental management: Remote sensing for resources development and environmental management

Damen, M. C. J.

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Multivolume work

Persistent identifier:: 856342815

Title:: Remote sensing for resources development and environmental management

Sub title:: proceedings of the 7th international Symposium, Enschede, 25 - 29 August 1986

Year of publication:: 1986

Place of publication:: Rotterdam; Boston

Publisher of the original:: A. A. Balkema

Identifier (digital):: 856342815

Language:: English

Additional Notes:: Volume 1-3 erschienen von 1986-1988

Editor:: Damen, M. C. J.

Document type:: Multivolume work

Volume

Persistent identifier:: 856343064

Title:: Remote sensing for resources development and environmental management

Sub title:: proceedings of the 7th international Symposium, Enschede, 25 - 29 August 1986

Scope:: XV, 547 Seiten

Year of publication:: 1986

Place of publication:: Rotterdam; Boston

Publisher of the original:: A. A. Balkema

Identifier (digital):: 856343064

Illustration:: Illustrationen, Diagramme

Signature of the source:: ZS 312(26,7,1)

Language:: English

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

Editor:: Damen, M. C. J.

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:: 2 Microwave data. Chairman: N. Lannelongue, Liaison: L. Krul

Document type:: Multivolume work

Structure type:: Chapter

Chapter

Title:: Evaluation of digitally processed Landsat imagery and SIR-A imagery for geological analysis of West Java region, Indonesia. Indroyono Soesilo & Richard A. Hoppin

Document type:: Multivolume work

Structure type:: Chapter

Symposium on Remote Sensing for Resources Development and Environmental Management / Enschede / August 1986 Evaluation of digitally processed Landsat imagery and SIR-A imagery for geological analysis of West Java region, Indonesia Indroyono Soesilo & Richard A.Hoppin Department of Geology, University of Iowa, Iowa City, USA ABSTRACT : A regional geologic investigation of West Java area utilizing contrast-enhanced False Color Composite and Band-7 MSS Landsat imagery has resulted in the interpretation of regional geologic structure, the delineation of four physiographic zones and one volcanic chain in the area. The Band Ratio and the Principal Component Transformation were applied to Landsat data of the Sukabumi and Lembang areas to provide iirproved lithologic discrimination, while the Edge Enhancement technique applied to the same areas increased the capabilities for structural interpretation. A "multi-step interpretation" conducted to Landsat MSS data from this tropical region discriminated thirteen different lithologic terrains in the Sukabumi area and eleven different lithologic terrains from the Lembang area, while the Edge Enhanced imagery of these two sites provide additional understanding of the Cimandiri fault zone, the Lembang fault and the N - S maximum principal stress responsible for the development of structural patterns in this region. The SIR-A imagery of West Java area increased the topographic details lead to their structural geologic interpretations and used as additional information to the Landsat MSS data. INTRODUCTION The current impressive developments in remote sensing technology has been further advanced by major breaktroughs in aerial surveys and satellite technologies. Added to advances in computer technology which are providing enhanced imagery of remotely sensed data from satellite and airborne sensors, better analyses of earth surface phenomena are possible. The development of the radar remote sensing system, with its capabilities as a day or night, all weather, "vegetation penetration"- active imaging system, has made the survey of tropical regions more accessible. The radar sensing system has evolved recently from a more constrained Side Looking Airborne Radar system (SLAR) into the Synthetic Aperture Radar system (SAR) and from an airborne plaform into Satellite and Space Shuttle platform (Seasat SAR and Shuttle Imaging Radar). Geological investigation of tropical areas, such as found in Indonesia, using remote sensing technology often has to cope with environmental variables such as dense vegetation canopy, the high rate of weathering, weather and climatic factors. The capabilities of this technology to assist in solving geological problems in this tropical region has recently been accessed in conjuction with the Natural Resources Inventory program currently being conducted by the Indonesian government (Asmoro, 1978). This paper is especially directed toward determining the capabilities of Landsat and its digitally processed imagery and of SIR-A imagery for lithologic and structural geologic investigations in this tropical environment. Attention is focused particularly of determining the methods on pattern recognition through interpretation of tone, texture and shape of the surface. A section of West Java was chosen as the test area for this investigation. The digital image processing and analysis were concentrated in two test sites within the investigated area, the Sukabumi and Lembang areas - where a ground investigation was also conducted (Figure:1 ). This location was selected because all of West Java's physiographic zones (Bemmelen, 1949) are represented in this area and each of these zones exhibits a typical lithologic character which can be discernable on various digitally processed Landsat imagery. This region is also tectonically active and is a p>art of the western Indonesia island arc system. The structural analysis of this region will provide an important tectonic synthesis for identification of seismic hazards and for exploration of economic minerals. Figure 1: Index map of Landsat 5 and SIR-A coverage, West Java - Indonesia. Also shown the two test sites, Sukabumi area (SW) and Lenbang area (NE).

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