An Approach to Lineament Analysis for Groundwater Exploration in Nicaragua
Wells in bedrock aquifers tend to yield more water where they intersect fracture networks. Lineament analysis using satellite imagery was employed to identify surface expressions of subsurface fracturing for possible new well locations. An imagery integration approach was developed
to evaluate satellite imagery for lineament analysis in terrain where the influences of human development and vegetation confound lineament interpretation. Four satellite sensors (ASTER, Landsat-7 ETM+, QuickBird, RADARSAT-1) and a DEM were used for lineament mapping a volcanic region of Nicaragua.
Image processing and interpretations obtained 12 complementary products, which were synthesized into a raster image of lineament-zone coincidence for creating a lineament delineation map. Nine of the 11 previously mapped faults were identified from the coincidence-based map along with 26 new
lineaments. The locations of ten new lineaments were confirmed by field observation. RADARSAT-1 products were best for minimizing anthropogenic features but not able to identify all the geological lineaments.
Document Type: Research Article
Publication date: 01 May 2011
- The official journal of the American Society for Photogrammetry and Remote Sensing - the Imaging and Geospatial Information Society (ASPRS). This highly respected publication covers all facets of photogrammetry and remote sensing methods and technologies.
Founded in 1934, the American Society for Photogrammetry and Remote Sensing (ASPRS) is a scientific association serving over 7,000 professional members around the world. Our mission is to advance knowledge and improve understanding of mapping sciences to promote the responsible applications of photogrammetry, remote sensing, geographic information systems (GIS), and supporting technologies. - Editorial Board
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