Glacial Assessment: Past, Present and Future: Acquisition of Essential Research Instrumentation

该奖项支持为俄亥俄州州立大学的冰川评估计划（GAP）购买设备的主要研究仪器（MRI）。 该计划有三个主要目标：1）主要使用包括遥感在内的地球物理方法记录正在进行的和最近的冰川变化; 2）从高分辨率冰芯得出的气候历史提供的长期角度评估最近的变化; 3）通过提高建模能力预测未来的冰川变化，从而预测未来的降雪和消融气候强迫。 该提案要求提供资金，通过提高俄勒冈州立大学进行关键观测和分析的技术能力，增强GAP调查过去、现在和未来冰川变化的能力。 更具体地说，分光辐射计将允许对冰缘景观的光谱特征进行重要的实地观测，以验证使用多光谱卫星图像进行的纵倾线测绘。 重力仪对于对格陵兰岛、南极洲和较小的冰川和冰帽的质量平衡进行更定量的评估至关重要，这些冰川和冰帽强烈地控制着现在和未来的海平面波动。 质谱仪和离子色谱仪为俄勒冈州立大学的能力提供了重要的增强，以重建从赤道到两极的冰川和冰帽中恢复的冰芯过去的气候变化，从而解开过去迫使区域气候变化的各种机制。 最后，计算机集群将能够通过开发更高分辨率的区域气候模拟来更好地预测未来的气候变化。 获得拟议的仪器对于BPRC保持其在全球气候变化研究中的国际领导地位以及对于PI将其广泛的集体知识和专业知识用于冰川冰快速和加速流失的关键问题至关重要

This award supports a Major Research Instrumentation (MRI) purchase of equipment for Ohio State University's Glacial Assessment Program (GAP). The program has three major thrusts: 1) documenting ongoing and recent glacier change primarily using geophysical methods including remote sensing; 2) assessing the recent changes from a long-term perspective provided by high-resolution ice core-derived climate histories; and 3) projecting future glacier changes by improving modeling capability, and hence, predicting future climate forcing in terms of snowfall and ablation. This proposal requests funds to augment GAP's ability to investigate glacier changes in the past, present and future by enhancing OSU's technical capability to make critical observations and analyses. More specifically, the spectroradiometer will allow crucial field observations of the spectral signature of periglacial landscapes, to serve as validation for trimline mapping using multispectral satellite imagery. The gravity meter is essential to make a more quantitative assessment of the mass balances of Greenland, Antarctica and smaller glaciers and ice caps that strongly control present and future sea level fluctuations. The mass spectrometer and ion chromatographs provide critical augmentation to OSU's capability to reconstruct past climate variability from ice cores recovered from glaciers and ice caps from the equator to the poles and thereby disentangle the various mechanisms forcing regional climates in the past. Finally, computer clusters will allow better prediction of future climate change via the development of higher resolution simulations of regional climate. The acquisition of the proposed instrumentation is essential for BPRC to maintain its role as aninternational leader in the study of global climate change and for the P.I.s to direct their extensive collective knowledge and expertise on the critical issue of the rapid and accelerating loss of glacier ice