首页> 美国政府科技报告 >Establishment of a Vertical Control Network along the St. Croix River in New Brunswick and Maine.

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Establishment of a Vertical Control Network along the St. Croix River in New Brunswick and Maine.

机译：在新不伦瑞克省和缅因州的圣克罗伊河沿岸建立垂直控制网络。

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Consistent elevations at stable benchmarks, referenced to a common datum, are important for measuring and comparing water levels and for computing flows throughout a watershed. Elevations are presented for 38 control points within the St. Croix River watershed, mostly along the main stem of the St. Croix River. Vertical control points are located at 7 dams, 3 Environment Canada (EC) lake monitoring gages, 1 EC streamflow monitoring gage, 2 U.S. Geological Survey (USGS) lake monitoring gages, and 4 USGS streamgages. At least one point at each location was determined through High Precision Global Positioning System observation. Elevations of remaining points were determined through differential leveling. Elevations are referenced to the North American Vertical Datum of 1988, Geoid 09 and to the National Geodetic Vertical Datum of 1929.

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作者
P. J. Lombard;
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年度 2013
页码 1-36
总页数 36
原文格式 PDF
正文语种 eng
中图分类工业技术;
关键词
Computations; Control points; Elevation referencing; Geodesics; Global Navigation Satellite Systems (GNASS); Leveling; Maine; Networks; St. Croix River; Survey-grade global positioning; Systems analysis; Vertical control; Vertical datum;

机译：计算;控制点;高程参考;测地线;全球导航卫星系统（GNass）;调平;缅因州;网络;圣。 Croix River;测量级全球定位;系统分析;垂直控制;垂直基准;

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2. Tectonic significance of black pelites and basalts in the St. Croix Terrane, coastal Maine and New Brunswick [J] . Allan Ludman, D. B. Stewart, L. R. Fyffe Atlantic Geology . 1988,第3期

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4. How Policy, Politics, and Science Shaped a 25-Year Conflict over Alewife in the St. Croix River, New Brunswick-Maine [C] . Theodore V. Willis International Symposium "Challenges for Diadromous Fishes in a Dynamic Global Environment" . 2009

机译：政策，政治和科学如何在新的布伦瑞克缅因州的圣克罗伊河河上塑造了25年的冲突。
5. Two rivers, two lakes, two legacies: Anthropogenic alterations to silica cycling and heavy metal loading in Lake St. Croix and Lake Pepin, USA. [D] . Triplett, Laura Day. 2008

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6. Prior Knowledge-based Approach for Associating Contaminants with Biological Effects: A Case Study in the St. Croix River Basin MN WI USA [O] . Anthony L. Schroeder, Dalma Martinović-Weigelt, Gerald T. Ankley, -1

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8. National Program for Inspection of Non-Federal Dams. Woodland Dam (ME 00218), Saint Croix River Basin, Baileyville, Maine, United States and St. Stephen, New Brunswick, Canada. Phase I Inspection Report [R] . Beals, B. S. 1981

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Establishment of a Vertical Control Network along the St. Croix River in New Brunswick and Maine.

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