首页> 外文会议>2012 SC Companion: High Performance Computing, Networking, Storage and Analysis. >Building a Climatology of Mountain Gap Wind Jets and Related Coastal Upwelling
【24h】

Building a Climatology of Mountain Gap Wind Jets and Related Coastal Upwelling

机译:建立山间缝隙喷气流的气候学和相关的海岸上升流

获取原文
获取原文并翻译 | 示例

摘要

Winds accelerating through coastal topology are capable of generating jets that often result in cold-water upwelling events in near-coast locations. In situ measurements are frequently not available in remote locations for many of the mountain gap locations globally, so to provide a record of these events for researchers, as well as military and commercial interests, this NASA-funded project is demonstrating how remotely sensed satellite data derived products, and fused model and observations, for wind and sea surface temperatures can be used to detect both wind jet and upwelling events. An algorithm was developed to automatically detect gap wind and ocean upwelling events at gulf regions of Central America using the Cross-Calibrated, Multi-Platform (CCMP) ocean surface wind product and the Optimally Interpolated Sea Surface Temperature (OISST) product. Hierarchical thresholding and region growing methods are used to extract regions of strong winds and temperature anomalies. A post processing step further links the detected events to generate time series of these events. Though developed for Central America regions, the algorithm is being extended to apply to other coastal regions so that detected event products are globally consistent. Through collaboration with the Global Hydrology Resource Center (GHRC), a NASA Distribute Active Archive Center, this project is analyzing large climate data records to generate a resulting climatology of wind jet and upwelling events at known geographic locations will be available as a resource for other researchers. Likewise, through integration of the project's analysis techniques with the GHRC's data ingest processing, the identification and notification of new or current events will likewise be openly available to research, commercial and military users. This paper provides a report on the preliminary results of applying the team's approach of identifying and capturing events for selected mountain gap jet locations.
机译:通过沿海拓扑加速的风能产生喷射流,这些喷射流通常会导致在近岸位置发生冷水上升事件。全球许多山脉间隙位置通常都无法在偏远地区进行原位测量,因此,为了向研究人员以及军事和商业利益提供这些事件的记录,该由NASA资助的项目正在演示如何遥感卫星数据风和海面温度的派生产品以及融合的模型和观测值可用于检测风向和上升事件。开发了一种算法,该算法使用交叉校准的多平台(CCMP)海面风积和最佳插值海面温度(OISST)产品自动检测中美洲海湾地区的间隙风和海洋上升事件。分层阈值和区域增长方法用于提取强风和温度异常的区域。后处理步骤还链接检测到的事件,以生成这些事件的时间序列。尽管是针对中美洲地区开发的,但该算法已扩展到适用于其他沿海地区,以使检测到的事件乘积在全球范围内保持一致。通过与美国国家航空航天局分布式活动档案中心全球水文资源中心(GHRC)的合作,该项目正在分析大型气候数据记录,以生成由此产生的风向气候,已知地理位置的上升流事件将作为其他资源研究人员。同样,通过将项目的分析技术与GHRC的数据提取处理相集成,新的或当前事件的识别和通知也将向研究,商业和军事用户开放。本文提供了有关使用团队识别和捕获选定山间喷气口位置事件的方法的初步结果的报告。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱:kefu@zhangqiaokeyan.com

京公网安备:11010802029741号 ICP备案号:京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有
  • 客服微信

  • 服务号