U.S.-Philippines Planning Visit: Weathering fluxes from Active Volcanic Arcs

0738828 Derry该奖项支持一项计划访问，使纽约康奈尔大学的Louis德里教授能够在位于奎松城菲律宾大学内的国家地质科学研究所会见Carlo Arcilla博士。 他们的目标是建立一个关于菲律宾活火山弧，包括活火山和休眠火山和蛇绿岩的化学风化通量的合作项目。 研究人员认为，热带和亚热带地区火山弧的化学风化和二氧化碳消耗率很高，但在目前的地球化学通量模型中基本上被忽视了。 这些污染物的特点是有许多小的流，导致一种类型的非点源问题。 研究人员将联合收割机结合对河流水化学的测量和对空间数据集（如地形、降水和土地覆盖）的分析，以更好地推断出一个更大和异质区域的实际数量的水化学数据。 康奈尔大学和菲律宾国家地质科学研究所的研究人员之间有足够的利益重叠，表明他们能够成功地开展拟议的活动，这种互动将使双方受益。 任何地方，特别是西太平洋，都很少有上述数据集。 更广泛的影响可能是巨大的，因为这些研究人员最终有可能成功地模拟全球对气候变化的反应。 这次访问还将为一名研究生提供支持。 这一全球性的研究经验可能会为她提供许多机会，在她的研究生涯中继续与她的菲律宾同事接触。 该奖项是与地球科学局地球科学处共同资助的。

0738828DerryThis award supports a planning visit to enable Professor Louis Derry at Cornell University in New York to meet with Dr. Carlo Arcilla at the National Institute of Geological Sciences located within the University of the Philippines in Quezon City. Their goal is to establish a collaborative project on chemical weathering fluxes from the active volcanic arc in the Philippines, including active and dormant subaerial volcanoes and ophiolite terranes. The researchers believe that chemical weathering and CO2 consumption rates in volcanic arcs of tropical and subtropical regions are high, but have been largely overlooked in current geochemical flux models. These terranes are characterized by many small streams, leading to a type of non-point source problem. The researchers will combine measurements of stream hydrochemistry with analysis of spatial data sets (such as topography, precipitation and land cover) to better extrapolate a realistic number of hydrochemical data across a larger and heterogeneous region. There is sufficient overlap of interests between researchers at Cornell University and the National Institute of Geological Sciences in the Philippines to indicate that they can successfully pursue the activities proposed, and that the interaction will benefit both sides. Few such data sets, as described above, are available anywhere, particularly from the western Pacific. The broader impact is potentially enormous, given the likelihood that these researchers will eventually successfully model global response of arc terranes to climate change. The visit will also provide support for a graduate student. This global research experience will likely provide her many opportunities for continuing contacts with her Philippine colleagues throughout her research career. This award is co-funded with the Division of Earth Sciences in the Directorate for Geosciences.