NZGEOBIOLOGY · Biogeochemistry of New Zealand Cretaceous-Cenozoic hydrocarbon-seeps
7РП — „Хора“ (Действия „Мария Кюри“)
- Период
- 2008-08-01 → 2010-07-31
- Финансиране от ЕС
- 166 982 €
- Участници
- 1
- Схема
- MC-IEF
Линиите свързват координатора с партньорите.
Накратко на български
Древни карбонати от метанови изтичания в Нова Зеландия се анализират чрез липидни биомаркери, за да се разберат миналото и състава на микробите там. Това помага да се разбере взаимодействието между земната кора, океаните и живота в екстремни среди през геоложко време.
Кратко обяснение, генерирано от езиков модел по текста на CORDIS. Оригиналът е по-долу.
Цел на проекта
Hydrocarbons accumulate in the Earth’s geosphere and can be released into the oceans and atmosphere, driven by geologic and tectonic events. On marine continental margins, faulting and over-pressured sedimentary pore-fluids can initiate fluid movement from depth, to manifest as subsurface fluid migration (plumbing) and seafloor hydrocarbon seepages or gas hydrates. Seeps and gas hydrates serve as markers for petroleum exploration, shape the biogeographic distribution and evolution of chemosynthetic ecosystems, and may trigger slope instability or climate change. In New Zealand’s North Island, these short-timed fluid-flow features leave behind robust signatures in authigenic seep-carbonates. These carbonates were precipitated due to anaerobic oxidation of methane (AOM) and will be investigated by detailed molecular-isotopic biomarker analyses in order to deliver their key messages. This pioneering study on lipid biomarkers in ancient NZ-seeps will provide important information on 1) scavenging former activity at methane-seeps performed by a microbial community inhabiting ancient methane-seeps, 2) impact of abrupt changes in extreme environments on methane-seeps communities 3) the composition of the microbial community at methane-seeps, 4) ecological functions of certain microbial groups. Results obtained on lipid biomarkers of ancient methane-seeps will be a major part of an international collaborative research programme which aims are to elucidate how-fluid flow manifestations, namely hydrocarbon seeps and gas hydrates, interact with biosphere-hydrosphere-geosphere interfaces over geologic time. It will also assist in linking New Zealand’s past and present chemosynthetic communities to those which occur around the Pacific Rim in the extreme environments of hydrothermal vents and hydrocarbon seeps.
Оригинален текст от CORDIS (на английски).
Участници
- UNIVERSITAET BREMEN · BremenКоординаторГермания
Връзки
Данни: CORDIS, © Европейски съюз