Sediment production via landsliding in the Waipaoa: Temporal and spatial variability using InSAR, LiDAR, air photos, and Be-10

怀宝阿山体滑坡产生的沉积物：使用 InSAR、LiDAR、航空照片和 Be-10 的时间和空间变化

• 批准号: 0841111
• 负责人: Joshua Roering
• 金额: $ 32.62万
• 依托单位: University of Oregon Eugene
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2009
• 资助国家: 美国
• 起止时间: 2009-08-01 至 2013-07-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0841111&HistoricalAwards=false
• 关键词: Sediment; production; via; landsliding; Waipaoa

Funds are provided to quantify spatial and temporal variations in landslide sediment production in the Waipaoa River Basin, New Zealand using a variety of remote sensing techniques (InSAR, airborne LiDAR, historic air photos) in combination with cosmogenic radionuclides (10Be). The Waipaoa Basin is one of the MARGINS Source-to-Sink study sites, and this work will contribute to an overall understanding of sediment generation and mobilization in landslide-prone areas. The PIs will: 1) estimate the spatial distribution of slope failure on seasonal timescales since the early ?90?s, 2) track downslope movement of natural and anthropogenic features and generate maps, 3) document case studies of landslide-prone hillslopes and their coupling to channel networks, and 4) study the difference in landslide activity upstream and downstream of knickpoints, and the relation to long-term climate evolution and land use change. Broader impacts include international collaboration with local (New Zealand) scientists, generation and rapid dissemination of a state-of-the-art data set to the MARGINS community, graduate student training, and local land-use relevance.

利用各种遥感技术（InSAR、机载激光雷达、历史航空照片）结合宇宙成因放射性核素（10Be），为量化新西兰Waipaoa河流域滑坡沉积物产生的时空变化提供了资金。怀帕阿盆地是边缘源-汇研究地点之一，这项工作将有助于全面了解滑坡易发地区的沉积物生成和动员。pi将：1)估计自1990年代初以来季节性时间尺度上边坡破坏的空间分布。S, 2)跟踪自然和人为特征的滑坡运动并生成地图；3)记录滑坡易发山坡的案例研究及其与河道网络的耦合；4)研究断裂点上下游滑坡活动的差异，以及与长期气候演变和土地利用变化的关系。更广泛的影响包括与当地（新西兰）科学家的国际合作，生成和快速传播最先进的数据集，研究生培训和当地土地使用相关性。