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The ISPRS International Journal of Geo-Information is a monthly peer-reviewed open-access scientific journal covering geo-information and related topics such as Cartography, geovisualization, and spatial analysis.
The test was first administered in 1997 and taken by 2,274 people. Initially the test was held only once a year. [1] In 2009, 180,000 people took the test. [2] The Korean government introduced a law in 2007 that required Chinese workers of Korean descent with no relatives in Korea to attain more than 200 points (out of 400) in the Business TOPIK (B-TOPIK) so they could be entered into a ...
The hexagonal (d = 4.29 g/cm 3) form of germanium dioxide is more soluble than the rutile (d = 6.27 g/cm 3) form and dissolves to form germanic acid, H 4 GeO 4, or Ge(OH) 4. [6] GeO 2 is only slightly soluble in acid but dissolves more readily in alkali to give germanates . [ 6 ]
Geoeconomics (sometimes geo-economics) is the study of the spatial, temporal, and political aspects of economies and resources. Although there is no widely accepted singular definition, [ 1 ] the distinction of geoeconomics separately from geopolitics is often attributed to Edward Luttwak , an American strategist and military consultant, and ...
Geophysics is applied to societal needs, such as mineral resources, mitigation of natural hazards and environmental protection. [4] In exploration geophysics , geophysical survey data are used to analyze potential petroleum reservoirs and mineral deposits, locate groundwater, find archaeological relics, determine the thickness of glaciers and ...
A geostationary orbit, also referred to as a geosynchronous equatorial orbit [a] (GEO), is a circular geosynchronous orbit 35,786 km (22,236 mi) in altitude above Earth's equator, 42,164 km (26,199 mi) in radius from Earth's center, and following the direction of Earth's rotation.
Principles of geolocation using GPS. Geopositioning is the process of determining or estimating the geographic position of an object or a person. [1] Geopositioning yields a set of geographic coordinates (such as latitude and longitude) in a given map datum.
A USBR soil scientist advances a Giddings Probe direct push soil sampler.. Geotechnical investigations are performed by geotechnical engineers or engineering geologists to obtain information on the physical properties of soil earthworks and foundations for proposed structures and for repair of distress to earthworks and structures caused by subsurface conditions; this type of investigation is ...