...(2) Topographic correction: A correction for the gravitational force caused by the undulations of the surrounding terrain. (3) Latitude correction: A correction obtained by subtracting the value of the international formula that expresses the standard gravity at each latitude as a function of latitude. (4) Bouguer correction: A correction for the gravitational force caused by materials between the observation point and the reference surface, which is related to the density of the materials and is determined by measuring the rock density in the observation area, etc. ... *Some of the terminology explanations that refer to "latitude correction" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…(2)地形補正 周辺地形の起伏による引力に対する補正。(3)緯度補正 各緯度における標準重力を緯度の関数として表した国際公式による値を差し引くことによって求める補正。(4)ブーゲー補正 観測点と基準面の間にある物質による引力に対する補正で,物質の密度に関係する補正であり,観測地域での岩石密度を実測するなどにより決定される。… ※「緯度補正」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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