energy balance of the soil

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• Groundwater energy balance — The groundwater energy balance is the energy balance of a groundwater body in terms of incoming hydraulic energy associated with groundwater inflow into the body, energy associated with the outflow, energy conversion into heat due to friction of… …   Wikipedia

• Ethanol fuel energy balance — † depending on production method All biomass needs to go through some of these steps: it needs to be grown, collected, dried, fermented, and burned. All of these steps require resources and an infrastructure. The total amount of energy input into …   Wikipedia

• Soil — For other uses, see Soil (disambiguation). A represents soil; B represents laterite, a regolith; C represents saprolite, a less weathered regolith; the bottommost layer represents bedrock …   Wikipedia

• The Irish (in Countries Other Than Ireland) —     The Irish (in countries other than Ireland)     † Catholic Encyclopedia ► The Irish (in countries other than Ireland)     I. IN THE UNITED STATES     Who were the first Irish to land on the American continent and the time of their arrival are …   Catholic encyclopedia

• The United States of America —     The United States of America     † Catholic Encyclopedia ► The United States of America     BOUNDARIES AND AREA     On the east the boundary is formed by the St. Croix River and an arbitrary line to the St. John, and on the north by the… …   Catholic encyclopedia

• soil — soil1 soilless, adj. /soyl/, n. 1. the portion of the earth s surface consisting of disintegrated rock and humus. 2. a particular kind of earth: sandy soil. 3. the ground as producing vegetation or as cultivated for its crops: fertile soil. 4. a… …   Universalium

• Energy returned on energy invested — Contents 1 Non manmade energy inputs 2 Relationship to net energy gain 3 The economic influence of EROEI …   Wikipedia

• Ocean thermal energy conversion — Temperature differences between the surface and 1000m depth in the oceans Ocean Thermal Energy Conversion (OTEC) uses the difference between cooler deep and warmer shallow or surface ocean waters to run a heat engine and produce useful work,… …   Wikipedia

• The Byzantine Empire —     The Byzantine Empire     † Catholic Encyclopedia ► The Byzantine Empire     The ancient Roman Empire having been divided into two parts, an Eastern and a Western, the Eastern remained subject to successors of Constantine, whose capital was at …   Catholic encyclopedia

• The School for Field Studies — (SFS) is the USA s oldest and largest undergraduate environmental study abroad program. [http://www.petersons.com/stdyabrd/select/f1311250.asp] Through its network of field stations, SFS has been teaching students how to address critical… …   Wikipedia

• History of the United States (1865–1918) — The history of the United States (1865–1918) covers Reconstruction and the rise of industrialization in the United States.At the conclusion of the Civil War, the United States remained bitterly divided. Reconstruction and its failure left the… …   Wikipedia