agricultural climatology
21Hydrology — Water covers 70% of the Earth s surface. Hydrology is the study of the movement, distribution, and quality of water on Earth and other planets, including the hydrologic cycle, water resources and environmental watershed sustainability. A… …
22Outline of science — The following outline is provided as an overview of and topical guide to science: Science – in the broadest sense refers to any system of objective knowledge. In a more restricted sense, science refers to a system of acquiring knowledge based on… …
23Nuclear winter — For other uses, see Nuclear winter (disambiguation). Nuclear weapons History Warfare Arms race Design Testing …
24Climate change — For current and future climatological effects of human influences, see global warming. For the study of past climate change, see paleoclimatology. For temperatures on the longest time scales, see geologic temperature record …
25Little Ice Age — The reconstructed depth of the Little Ice Age varies between different studies (anomalies shown are from the 1950–80 reference period). The Little Ice Age (LIA) was a period of cooling that occurred after the Medieval Warm Period (Medieval… …
26Climate of India — …
27Gran Chaco — For the Bolivian province, see Gran Chaco Province. For the Argentine province, see Chaco Province. Landscape in the Gran Chaco, Paraguay The Gran Chaco (Quechua chaku, hunting land ) is a sparsely populated, hot and semi arid lowland region of… …
28Technology of the Song Dynasty — The Song Dynasty ( zh. 宋朝; 960–1279 CE) provided some of the most significant technological advances in Chinese history, many of which came from talented statesmen drafted by the government through imperial examinations.The ingenuity of advanced… …
29japan — japanner, n. /jeuh pan /, n., adj., v., japanned, japanning. n. 1. any of various hard, durable, black varnishes, originally from Japan, for coating wood, metal, or other surfaces. 2. work varnished and figured in the Japanese manner. 3. Japans,… …
30Japan — /jeuh pan /, n. 1. a constitutional monarchy on a chain of islands off the E coast of Asia: main islands, Hokkaido, Honshu, Kyushu, and Shikoku. 125,716,637; 141,529 sq. mi. (366,560 sq. km). Cap.: Tokyo. Japanese, Nihon, Nippon. 2. Sea of, the… …
