PPT-TOPOGRAPHIC INSTRUMENT

The topography from the greek topos place and graphein write is the science that studies the tools and methods of operation both calculation and design which are necessary to obtain a graphical representation more or less detailed of a part of Earths surface . An Inside Look to the Best String Instrument!. By Mr. Cary. The History of the Cello!. The Cello is one of the instruments from the String Family. It is the 2. nd. largest instrument of the string family.. a ridge. a valley. g. oing uphill. closer . contours. = steeper slope. contours farther apart = shallower slope. Imagine that the red line represents a geologic contact of some sort. Given that it doesn’t parallel contours we know it isn’t horizontal, and given that it doesn’t cut straight across contours we know it isn’t vertical. Can we tell something about its orientation? . Lidar-Derived DEMs. Stereo DTM. (Topographic Surface). R. eference image of the traditional stereo-compiled DTM. Built from Masspoints and Breaklines . Much coarser resolution than lidar. Demonstrates the familiar and usually expected character of a topographic DEM. YM . Wang, . S. . Holmes, J Saleh, XP Li . and D . Roman, . National Geodetic Survey. June 22 -25 WPGM 2010 Taipei, Taiwan. Abstract. The spherical harmonic expansion of the topographic gravitational potential has two major advantages over Newtonian integrals: it offers computational efficiency and facilitates spectral analysis of the Earth’s gravity field. The high degree harmonic expansion of the topography helps also in geoid computations.. of . PHILIPPINE . MUSIC. I. Indigenous Music. Largely functional. Expressed either instrumentally, vocally, or a combination of both. Indigenous Musical Instruments. Aerophones. Chordophones. Idiophones. construction. Exploring . early interments . design . and build an instrument from found items. Instruments. How far can you push your imagination?. Topography. Shows the three dimensional shape and elevations of an area of land in two dimensions. Topographic Map. Height above sea level. Elevation. Line that connects places on a topographic map that are all at the same elevation (eventually a closed loop). Contour lines never cross or touch!. Mapping Mechanics: . An introduction to topography . by the use of contour lines . Upon completion of this lesson, students will be able to:. define topography. define the USGS and different techniques used to study topography. Topographic notes. Topographic Map-includes contour lines drawn to represent changes in elevation.. Topographic maps take 3 dimensional ups and downs of the terrain and show them on 2 dimensional surface.. on a Military Map. Action: . Identify Topographic Symbols on a Military Map. Conditions: . Given . a standard 1:50,000 scale topographical map. Standards: . Correctly identify the topographic symbols, colors, and marginal information on a military map. interpret topographic maps and satellite views to identify land and erosional features and predict how these features may be reshaped by weathering. A 2D view of a 3D surface. How. do topographic maps give you a picture of what the landscape looks like?. Yonathan Admassu, PhD. James Madison . University. Who are?. Geotechnical Engineers. Designing earth structures consistent with data. Direct projects. BS in civil engineering. Engineering Geologists. a ridge. a valley. g. oing uphill. closer . contours. = steeper slope. contours farther apart = shallower slope. Imagine that the red line represents a geologic contact of some sort. Given that it doesn’t parallel contours we know it isn’t horizontal, and given that it doesn’t cut straight across contours we know it isn’t vertical. Can we tell something about its orientation? . Visualizing 3D Surfaces. Carol J. Ormand. , . SERC, Carleton College. Eric Riggs, Texas A&M University. Overview. What do we mean when we talk about “reading” contour maps?. Example: the Topographic Map Assessment.