Lake area measurement using AVHRR A case study
- 27 April 1989
- journal article
- research article
- Published by Taylor & Francis in International Journal of Remote Sensing
- Vol. 10 (4-5) , 885-895
- https://doi.org/10.1080/01431168908903928
Abstract
We note the importance of remote sensing of lake level and area changes for climate research; we discuss the initial need to monitor level and area simultaneously, and note that ERS-1 will be suitably equipped for the task, carrying a radar altimeter and the Along-Track Scanning Radiometer (ATSR). A simple area measurement technique is investigated and we show that the area of Lough Neagh (area 390 km2) can be measured using data from the Advanced Very High Resolution Radiometer (AVHRR) instrument (similar to ATSR), by using channel-2 in the day and channels-4 and -5 at night, to an accuracy of ∼ 1 per cent, which is well within our estimates for the requirement.Keywords
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