| 美国农业气象和农田蒸散研究 |
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| 引用本文： | 朱自玺.美国农业气象和农田蒸散研究[J].气象,1996,22(6):3-9. |
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| 作者姓名： | 朱自玺 |
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| 作者单位： | 河南省气象科学研究所!郑州450003 |
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| 摘 要： | 美国的农业气象比较强调基础和应用研究，重点为土壤－大气系统中的能量交换，水分交换，物质积累和转化，农业生产模型以及植物与环境相互作用机制等。试验多在大田条件下进行，配有比较完善的数据自动化采集系统，在农田实际蒸散的测定中，中子仪和蒸散仪得了广泛的应用，并用来检验各种蒸散计算公式。潜在蒸攻的计算方法很多，多在Ｐｅｎｍａｎ公式的基础上发展而来，并研制了相应的计算机软件，和其它公式相比，Ｐｅｎｍａｎ－Ｍ
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| 关 键 词： | 农业气象 潜在蒸散 作物系数 土壤蒸发 农田蒸散 |
Research on Agrometeorology and Evapotranspiration of Farmland in the United States of America |
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| Zhu Zixi.Research on Agrometeorology and Evapotranspiration of Farmland in the United States of America[J].Meteorological Monthly,1996,22(6):3-9. |
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| Authors: | Zhu Zixi |
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| Abstract: | Research on basic theory and its application in Agrometeorology is ernphasized in the United States of America,especially laying stress on energy exchange, water exchange, accumulation and change of matter, models in agricultural production, and interaction between plant and environrnent in the soil-plant-atmosphere system. Reserch is conducted in field condition with advanced data collect system. Neutron probe and lysimeter are widely used in measurement of actual evapotranspiration and used to verify the formulas for calculating evapotranspiration. Many methods calculating potential evapotranspiration are developed from Penman equation and developed computer soft wares to match it. Comparing to other equations,modified Penman-Monteith equation is accurate and used widely. |
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| Keywords: | Agrometeorology actual evapotranspiration potential evapotranspiration plant coefficient |
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