Monitoring of Water-Level Fluctuation of Lake Nasser Using Altimetry Satellite Data

Monitoring of Water-Level Fluctuation of Lake Nasser Using Altimetry Satellite Data Apart from the Renaissance Dam and other constructed dams on the River Nile tributaries, Egypt is classified globally as a state of scarce water. Egypt’s water resources are very limited and do not contribute a significant amount to its water share except the River Nile (55.5 billion m /year). While the number of population increases every year, putting more stress on these limited resources. This study aims to use remote-sensing data to assess the change in surface area and water-level variation in Lake Nasser using remote-sensing data from Landsat-8 and altimetry data. In addition, it investigates the use of thermal data from Landsat-8 to calculate water loss based on evaporation from Lake Nasser. The eight Landsat-8 satellite images were used to study the change in surface area of Lake Nasser representing winter (January) and summer (June/July) seasons in two consecutive years (2015 and 2016). Time series analyses for 10-day temporal resolution water-level data from Jason-2/OSTM and Jason-3 altimetry was carried out to investigate water-level trends over the long term (1993 and 2016) and short term (2015–2016) in correspondence with the change of the surface area. Results indicated a shrink in the lake surface area in 2016 of approximately 14% compared to http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Earth Systems and Environment Springer Journals

Monitoring of Water-Level Fluctuation of Lake Nasser Using Altimetry Satellite Data

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Publisher
Springer International Publishing
Copyright
Copyright © 2018 by Springer International Publishing AG, part of Springer Nature
Subject
Earth Sciences; Earth System Sciences; Monitoring/Environmental Analysis; Geography, general; Environmental Science and Engineering; Climate, general; Climate Change/Climate Change Impacts
ISSN
2509-9426
eISSN
2509-9434
D.O.I.
10.1007/s41748-018-0053-y
Publisher site
See Article on Publisher Site

Abstract

Apart from the Renaissance Dam and other constructed dams on the River Nile tributaries, Egypt is classified globally as a state of scarce water. Egypt’s water resources are very limited and do not contribute a significant amount to its water share except the River Nile (55.5 billion m /year). While the number of population increases every year, putting more stress on these limited resources. This study aims to use remote-sensing data to assess the change in surface area and water-level variation in Lake Nasser using remote-sensing data from Landsat-8 and altimetry data. In addition, it investigates the use of thermal data from Landsat-8 to calculate water loss based on evaporation from Lake Nasser. The eight Landsat-8 satellite images were used to study the change in surface area of Lake Nasser representing winter (January) and summer (June/July) seasons in two consecutive years (2015 and 2016). Time series analyses for 10-day temporal resolution water-level data from Jason-2/OSTM and Jason-3 altimetry was carried out to investigate water-level trends over the long term (1993 and 2016) and short term (2015–2016) in correspondence with the change of the surface area. Results indicated a shrink in the lake surface area in 2016 of approximately 14% compared to

Journal

Earth Systems and EnvironmentSpringer Journals

Published: May 28, 2018

References

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