'National geodetic vertical datum' diaporamas de présentation

Design to Improve the Productivity and Execution of Gravity Surveys

Design to Improve the Productivity and Execution of Gravity Surveys. Evan Demick Kyle Luukkonen Sadeep Nonis Yuri Zhylenko. Sponsor: Sandra Preaux - NOAA. Agenda. Context Review Stakeholder Analysis Problem & Need Statements Method of Analysis & Simulation

1.37k views • 115 slides

STATE PLANE COORDINATES Washington State Washington State Land Surveyors Association Larry Signani 13 March 2007

STATE PLANE COORDINATES Washington State Washington State Land Surveyors Association Larry Signani 13 March 2007. SURVEY TYPES. Surveys can be grouped into two categories: 1. Plane Surveys 2. Geodetic Surveys

1.44k views • 102 slides

The Hydrologic Budget of Wetlands

The Hydrologic Budget of Wetlands. Jason Hall Robert Lomax Lisa Thatcher November 4, 2003. Overview. Information on hydrology budgets of wetlands Case study of hydrology in a Carolina bay wetland Jason - watershed hydrology of coastal forested wetland of the southern US

1.79k views • 93 slides

Redefinition of the U.S. Vertical Datum: Replacing NAVD 88 Informational packet

553 views • 55 slides

Vertical Datums and Heights

Vertical Datums and Heights. Daniel J. Martin National Geodetic Survey VT Geodetic Advisor VTrans Monthly Survey Meeting October 06, 2008. Can You Answer These Questions?. What is the current official vertical datum of the United States?

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Lecture 17: Geodetic Datums and a little Linear Regression

Lecture 17: Geodetic Datums and a little Linear Regression. GISC-3325 24 March 2008. Update. Reading for next few classes Chapters Eight and Nine Start reading GPS Positioning Guide Chapters 1-3. Exam results and answers are posted to class web page.

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Monitoring Well Post-Installation Consideration

769 views • 38 slides

4/15/03

CH. 3 LEVELING. 4/15/03. Read Kavanagh Ch. 3:. 3.1 Know these definitions (not verbatum) 3.2-3.3 Understand the divergence between a horizontal line and a level line, and the proportionality of error due to curvature and refraction with distance of the shot.

523 views • 34 slides

4/15/03

CH. 3 LEVELING. 4/15/03. Read Kavanagh Ch. 3:. 3.1 Know these definitions (not verbatum) 3.2-3.3 Understand the divergence between a horizontal line and a level line, and the proportionality of error due to curvature and refraction with distance of the shot.

600 views • 33 slides

Leveling { Differential Leveling}

Leveling lecture 1: Readings: 4-1 through 4-4, 4-5.2, 4-6 through 4-12, 4-14 Lecture 2: Readings: 5-1 through 5-5, 5-8. Leveling { Differential Leveling}. Lecture Outline . Definitions Datum Vials Levels: optical, laser, digital Rods Differential Leveling A leveling Loop.

2.19k views • 31 slides

Principles of Surveying

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Introduction to Cartography GEOG 2016 E

Introduction to Cartography GEOG 2016 E. Lecture-4 Sources of Data. Cartographic Data and Surveying. To make a map we need data. The cartographic data is generally obtained by surveying. There are other methods too, such as Remote Sensing, Census and Sampling

482 views • 25 slides

Precise Digital Leveling

Precise Digital Leveling. Section 6 Vertical Datum. Vertical Datum. Local/Regional Assumed City, County International Great Lakes Datum 1955 (IGLD55) International Great Lakes Datum 1985 (IGLD85) Tidal Datums National National Geodetic Vertical Datum of 1929 (NGVD29)

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Ithaca Station

Remote Station Position: ITRF00 POSITION (EPOCH 1997.0): X: 1100761.000 m Latitude : 42.43821170 Y: -4584035.743 m Longitude: -76.49726554 Z: 4281702.446 m Ellipsoid Height: 74.965 m NAD_83 POSITION (EPOCH 2002.0): X: 1100761.543 m Latitude : 42.43820321

117 views • 2 slides