TIBETMETH

Microbial Biomarker Records in Tibetan Peats: Monsoon Variability and its Impact on Methane Biogeochemistry

Coordinatore	NORTHWEST UNIVERSITY    more  Organization address address: TAIBAI NORTH ROAD 229 city: XI AN SHAANXI postcode: 710069 contact info Titolo: Prof. Nome: Hong Cognome: Hua Email: send email Telefono: 862988000000 Fax: 832988000000
Nazionalità Coordinatore	China [CN]
Totale costo	15˙000 €
EC contributo	15˙000 €
Programma	FP7-PEOPLE Specific programme "People" implementing the Seventh Framework Programme of the European Community for research, technological development and demonstration activities (2007 to 2013)
Code Call	FP7-PEOPLE-2011-IIF
Funding Scheme	MC-IIFR
Anno di inizio	2015
Periodo (anno-mese-giorno)	2015-10-01   -   2016-09-30

 Partecipanti

#	participant	country	role	EC contrib. [€]
1	NORTHWEST UNIVERSITY  Organization address address: TAIBAI NORTH ROAD 229 city: XI AN SHAANXI postcode: 710069 contact info Titolo: Prof. Nome: Hong Cognome: Hua Email: send email Telefono: 862988000000 Fax: 832988000000	CN (XI AN SHAANXI)	coordinator	15˙000.00

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 Obiettivo del progetto (Objective)

It is crucial to understand terrestrial microbial processes because they govern greenhouse gas emissions; unfortunately, the long-term microbial responses to climate change remain unclear, causing uncertainty in predictions for how they will impact future climate and atmospheric composition. The peatlands from the Tibetan Plateau, controlled by the Indian Monsoon and East Asian Monsoon systems, have been major players in climate change and carbon cycling, such that these deposits represent a truly novel potential to address the above scientific issues. This proposed research will expand the Tibetan Plateau dataset of peat-forming plant δD values, a key hydrological indicator; quantify and isotopically characterise microbial biomarkers and especially those derived from organisms involved with methane cycling; evaluate the link between precipitation, vegetation, redox conditions and microbially mediated processes and especially methanogenesis. These records will be developed using cutting edge approaches exploiting gas chromatography (GC), GC-mass spectrometry, high performance liquid chromatography-mass spectrometry, GC-isotope ratio mass spectrometry (IRMS) and GC-thermal conversion-IRMS. This dataset seeks to understand methanogenic and methanotrophic processes and will be used to develop higher resolution and longer-term CH4 biogeochemical records over the Holocene and to better understand the effect of Asian monsoon change on modern and ancient CH4 biogeochemistry, and to ultimately embed them in the framework of known and hypothesised relationships between microorganisms and climate change. This work will be one of the very first applications of these novel methodologies to the study of past changes in peat biogeochemistry outside of Northern Europe. It will validate and expand on the European investigations and contribute to a better mechanistic understanding of the microbial response to climate change and its impact on CH4 biogeochemistry.