Document Type

Article

Publication Date

2016

Abstract

MODIS and Landsat OLI thermal images from 2013-2015 were mined to detect freshwater seeps in the coastal waters of the Lebanese Mediterranean. The purpose gas to analyze their distribution, time of accurrence and origins. Analysis was supplemented with data from the TRMM mission, geological maps, an ASTER DEM, groundwater data and spring locations. A groundwater potentiality map was constructed .O understand points of surface water entry into the ground, areas of accumulation, and water transport pathways. Results show dominant thermal plumes in Akkar and Batroun. The former was related to rainfall and the latter to snow melt. In both cases, the plumes projected >17 to 25km from inland fracture zones, mapped from optical images. It appeared that the faults acted as conduits to channel rainwater and snow melt,from the surrounding mountains before expelling it into the sea. Understanding coastal freshwater discharges and tracking where water from rain and snow enters and exits can guide engineers in it harvesting s could be done by developing irrigation systems, such as aflaj as tto capture water for use in farming and human use.

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