soil water balance

Study on Water Balance of Punica Granatum Under Different Soil Moisture Conditions in Dry-hot River Valley

元谋干热河谷不同水分处理石榴的水量平衡研究

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According to the change of soil moisture under the different water ecological areas and different exposition sites, a compartment model and the data of the soil moisture measured in 2004 were used to to set up a balance model with absorption chamber of rainfall infiltration into the soil.

并根据不同水分生态区、不同坡向立地条件下刺槐人工林的土壤水分的变化规律，运用隔室模型和2004年的实测数据建立了降水在土壤中的入渗平衡模型。

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Study of the Water Balance for Soil and Water Conservation in Forests of Northwest Shanxi Province

晋西黄土区水土保持林水量平衡的研究

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The components of water balance, CO2 released from soil, and the property of forest microclimate obviously change with dry and wet seasons.

水量平衡各分量、土壤CO2释放量、森林小气候特征都与干湿季节的变化有明显的关系。

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Domestic desert resource is abundant very much, in recent years we grow large-acreage shrubs in order to hurricane lamp, sand-fixation, preserve water and soil, meliorate ecological system, maintain zoology balance.

我国沙荒地资源非常丰富。近几年来，为了防风固沙、保持水土、改善生态系统、维持生态平衡，我国大面积种植沙生灌木。

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According to precipitation-balance principle, we could get reasonable density combined with soil water and evaporation.

结合刺槐林地土壤水分和蒸腾耗水特征,按照降水量平衡原理求得刺槐的合理造林密度.

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Boreal forest in water conservation, water and soil conservation, and maintaining ecological balance and protecting biodiversity has irreplaceable status and role.

寒温带针叶林在水源涵养、水土保持、维护生态平衡及生物多样性保护等方面都有着不可替代的作用。

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Study on the soil water balance of artificial forestland in arid region

干旱地区人工林地土壤水分平衡的探讨

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The movement of soil water achieved the temporary balance in 24 h after stopping irrigation. Subsequently the change of the soil water content became very small, and the wetting front was kept nearly un-expanded.

灌溉结束24h后土壤水分运动达到暂时的平衡，此后土壤含水量变化很小，土壤湿润锋几乎不再扩展。

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Soil water balance of grassland in gully regions on the Loess Tableland in various hydrological years was simulated numerically with simulated rainfall.

采用人工降雨的试验方法，对黄土高原沟壑区荒草坡地不同水文年土壤水平衡进行了数值模拟，结果表明：当植被覆盖率较高时，WAVES模型可以应用于荒草坡地土壤水平衡的模拟；

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