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Pores (the spaces that exist between soil particles) provide for the passage and/or retention of gasses and moisture within the soil profile.The soil's ability to retain water is strongly related to particle size; water molecules hold more tightly to the fine particles of a clay soil than to coarser particles of a sandy soil, so clays generally retain more water. [2]
The rate at which a soil can absorb water depends on the soil and its other conditions. As a plant grows, its roots remove water from the largest pores (macropores) first. Soon the larger pores hold only air, and the remaining water is found only in the intermediate- and smallest-sized pores . The water in the smallest pores is so strongly held ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 19 February 2025. Water located beneath the ground surface An illustration showing groundwater in aquifers (in blue) (1, 5 and 6) below the water table (4), and three different wells (7, 8 and 9) dug to reach it. Groundwater is the water present beneath Earth's surface in rock and soil pore spaces and in ...
The Defenders of the Homeland (Japanese: 郷土防衛義勇軍, romanized: Kyōdo Bōei Giyūgun; Indonesian: (Tentara Sukarela) Pembela Tanah Air, PETA) was a volunteer army established on 3 October 1943 in the Dutch East Indies (present-day Indonesia) by the occupying Japanese.
Especially without proper protections, heavy metals and other contaminates can seep into the soil, and create water pollution and air pollution. Historical deposition of coal ash used for residential, commercial, and industrial heating, as well as for industrial processes such as ore smelting , were a common source of contamination in areas ...
Advocates claim (1) cleaner air, which leads to better health as fugitive dust can cause health problems in the young, elderly, and people with respiratory conditions; [6] and (2) Greater safety through improved road conditions, [7] [8] including increased driver visibility and decreased risks caused by loose gravel, soft spots, road roughness ...
Soil formation, also known as pedogenesis, is the process of soil genesis as regulated by the effects of place, environment, and history. Biogeochemical processes act to both create and destroy order within soils.
Lake Singkarak (Indonesian: Danau Singkarak) is a lake in West Sumatra, Indonesia.It is located between the regencies of Tanah Datar and Solok Regency.It has an area of 107.8 km 2, being approximately 21 km long and 7 km wide.