Remote sensing for lake research and monitoring - Recent advances.

Dörnhöfer, K. and Oppelt, N. (2016) Remote sensing for lake research and monitoring - Recent advances. Ecological Indicators, 64 . pp. 105-122. DOI http://dx.doi.org/10.1016/j.ecolind.2015.12.009.

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Abstract

Lakes are important ecosystems providing various ecosystem services. Stressors such as eutrophication or climate change, however, threaten their ecological functions. National and international legislations address these threats and claim consistent, long-term monitoring schemes. Remote sensing data and products provide synoptic, spatio-temporal views and their integration can lead to a better understanding of lake ecology and water quality. Remote sensing therefore gains increasing awareness for analysing water bodies. Various empirical and semi-analytical algorithms exist to derive remote sensing indicators as proxies for climate change or ecological response variables. Nevertheless, most monitoring networks lack an integration of remote sensing data. This review article therefore provides a comprehensive overview how remote sensing can support lake research and monitoring. We focus on remote sensing indicators of lake properties, i.e. water transparency (suspended particulate matter, coloured dissolved organic matter, Secchi disc depth, diffuse attenuation coefficient, turbidity), biota (phytoplankton, cyanobacteria, submerged and emerged aquatic vegetation), bathymetry, water temperature (surface temperature) and ice phenology (ice cover, ice-on, ice-out). After a brief background introducing principles of lake remote sensing we give a review on available sensors and methods. We categorise case studies on remote sensing indicators with respect to lake properties and processes. We discuss existing challenges and benefits of integrating remote sensing into lake monitoring and ecological research including data availability, ready-to-use tools and accuracies. (C) 2015 Elsevier Ltd. All rights reserved.

Document Type: Article
Additional Information: Times Cited: 3 Doernhoefer, Katja Oppelt, Natascha
Keywords: Water quality, Lake ecology, Accuracy, Monitoring, Remote sensing
Research affiliation: Kiel University > Kiel Marine Science
OceanRep > The Future Ocean - Cluster of Excellence
Kiel University
Refereed: Yes
Open Access Journal?: No
DOI etc.: http://dx.doi.org/10.1016/j.ecolind.2015.12.009
ISSN: 1470-160X
Projects: Future Ocean
Date Deposited: 16 Mar 2017 07:41
Last Modified: 20 May 2019 15:58
URI: http://oceanrep.geomar.de/id/eprint/36060

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