Geo-environment and related Disasters – a Geo-spatial Approach
J. Environ. Nanotechnol., Volume 8, No 1 (2019) pp. 01-05
Abstract
Natural disasters have become fast-growing epidemics around the world in general. The disasters like earthquakes, landslides, floods, cyclones and other coastal hazards are already crippling the development and growth of the country. In the recent decades, the "Earth Observing Satellites" are producing unparalleled pictures on various spectral, spatial and temporal resolutions, whereas the fast-emerging "Geospatial Technology" (GIS) has proved its credentials beyond doubt in storing, manipulating, modeling and visualizing various phenomena related to Earth System Dynamics. In this context, an attempt has been made in this work to map and discuss the disasters like earthquakes, landslides, soil erosion, floods and cyclone on their pattern and spatial variation. The geomatics-based integrated terrain analysis, leads to the detection of landslide-prone areas, causative factors, and predictive models. Flood is yet another major disaster causing a greater impediment to countries, which are aspiring to grow faster. Though methodologies have been developed for flood hazard zonation mapping, the geomatics has not been utilized to its fullest level. The geospatial databases are critical inputs for studies in the emerging area of environmental monitoring, global warming and climate change.
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