Global S&T Development Trend Analysis Platform of Resources and Environment
Helicopter Making Low-Level Flights over North-Central Idaho | |
admin | |
2021-09-09 | |
发布年 | 2021 |
语种 | 英语 |
国家 | 美国 |
领域 | 资源环境 |
正文(英文) | Release Date: Residents and visitors should not be alarmed to see a low-flying helicopter over Lemhi and Custer Counties west of Salmon, Idaho from September 6 to October 18, 2021. The U.S. Geological Survey and Idaho Geological Survey are co-leading the effort to conduct a helicopter-assisted airborne survey over approximately 1,160 square miles of the Salmon National Forest west of Salmon, Idaho. The instrumentation aboard the helicopter is passive, meaning it receives but does not emit signals for detection, and poses no health concerns or risks to humans, pets or wildlife. The survey aims to study cobalt and other important mineral resources concealed in ancient rock layers beneath the rugged landscape of north-central Idaho. Aerial coverage will extend north near the Idaho-Montana border and continue about 40 miles south through Lemhi and Custer Counties. The survey layout follows a grid pattern consisting of tightly spaced lines two to three miles apart. Flight elevations may vary from 300 to 1,000 feet above the ground as the helicopter attempts to maintain a constant flight height except when it encounters steep mountainous terrain. All survey flights will occur during visible daylight hours between 6am – 7pm MST. USGS and IGS scientists designed this helicopter-assisted survey to ensure they are able to safely and efficiently collect data over broad areas where accessibility by ground is slow or difficult. The helicopter is equipped with scientific instrumentation that measures Earth’s naturally occurring magnetic field, which will help scientists understand the geologic relationships associated with cobalt and other important mineral-bearing rock layers below Earth’s surface. The helicopter is operated by Sander Geophysics, out of Ontario, Canada. The company’s pilots are experienced and specially trained for low-level flying. Sander Geophysics is working with the Federal Aviation Administration to ensure the flights are in accordance with U.S. law governing airspace regulations.
For more information, visit: USGS, www.usgs.gov IGS, https://www.idahogeology.org/ USGS News Releases, https://www.usgs.gov/news/news-releases |
URL | 查看原文 |
来源平台 | US Geological Survey |
文献类型 | 新闻 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/337318 |
专题 | 资源环境科学 |
推荐引用方式 GB/T 7714 | admin. Helicopter Making Low-Level Flights over North-Central Idaho. 2021. |
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