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Ecosystem monitoring plan for geothermal power plants : bio-indicators, data aquisition and processing protocols

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Titill: Ecosystem monitoring plan for geothermal power plants : bio-indicators, data aquisition and processing protocolsEcosystem monitoring plan for geothermal power plants : bio-indicators, data aquisition and processing protocols
Höfundur: Mutia, Thecla M. ; KenGen ; Geothermal Development Company Ltd. ; Jarðhitaskóli Háskóla Sameinuðu þjóðanna ; United Nations University ; United Nations University, Geothermal Training Programme
URI: http://hdl.handle.net/10802/17032
Útgefandi: United Nations University
Útgáfa: 2017
Ritröð: United Nations University., UNU Geothermal Training Programme, Iceland. Short Course ; SC-25
Efnisorð: Jarðhiti; Jarðhitanýting; Umhverfisvöktun; Vistkerfi
ISSN: 1670-794x
Tungumál: Enska
Tengd vefsíðuslóð: https://orkustofnun.is/gogn/unu-gtp-sc/UNU-GTP-SC-25-0907.pdf
Tegund: Bók
Gegnir ID: 991010973639706886
Athugasemdir: Presented at SDG Short Course II on Exploration and Development of Geothermal Resources, organized by UNU-GTP, GDC and KenGen, at Lake Bogoria and Lake Naivasha, Kenya, Nov. 9-29, 2017
Útdráttur: Geothermal power plants emit a range of non condensable gases (NCGs) and other elements which have the potential to deposit and bio accumulate in ecosystems. These emitted components such as sulphur (from H2S gas) and trace elements (arsenic, boron, antimony and mercury) pose deleterious long term effects to ecosystem components if not monitored. Some studies in the Mediterranean, subtropics and sub-arctic terrestrial ecosystems have revealed deposition and associated impacts of these components in plants and soils, which were used as bio-indicators. The consequences include impacts on plant growth and metabolism. As more of these studies are still limited, wide knowledge on effects of these components and the monitoring protocols to employ for geothermal developers is still lacking. This paper reviews lessons learnt from such studies on effects of geothermal power plant emissions to ecosystems to address the questions, how such studies can be performed, which data needs to be acquired and the processing involved. Knowledge of these studies is important for geothermal power developers to ensure implementation of appropriate mitigation measures for unforeseen environmental impacts to promote sustainable development.


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