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紧密土壤
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  compact soil
     A hydrological model was designed to be coupled with RegCM2 and to simulate the discharges of the two important hydrological stations in the Yangtze River basin through adjusting the RegCM2 runoff scheme with the heterogeneous surface runoff algorithm that is suitable to both loosen and compact soil.
     建立了不均匀的地表径流算法,修改了RegCM2中径流方案,这一算法适用于疏松土壤和紧密土壤。 设计了一个适合与气候模式RegCM2耦合、能模拟水文站流量的汇流模式。
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  相似匹配句对
     And thus function could not be ignored in the soil water and salt movement and redistribution in saline grassland.
     土壤含水.
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     soil productivity;
     土壤生产力;
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     The relationships between the biological factors of natural forest and the physical and chemical factors of soil were colsely.
     研究出天然林生物因子与其土壤理化因子相关紧密
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     Compact yarns have prosperity
     紧密纺 渐入佳境
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     The results indicated that grain yield of rice significantly related with soil nutrient supplying capacity and nutrient uptake rate of rice.
     结果表明,水稻产量与土壤养分供应能力和养分吸收量紧密相关;
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  compact soil
Visual comparison of porosity in the compacted soil surrounding earthworm burrows and the soil compacted at 300 and 600 kPa indicated that the worms are able to compact soil with a force between 300 and 600 kPa.
      
Survival, distribution, and gene transfer of bacteria in a compact soil microcosm system
      
Two compaction pressures were used when packing the pots; loose soil was packed by applying a pressure of 96?kPa, and compact soil was packed using a compaction pressure of 386?kPa.
      
"Split pots" which contained both loose and compact soil were also used.
      
An important finding was that peripheral burrows in the split pots were longer than those made in pots packed uniformly with either loose or compact soil.
      
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Investigation showed: there was a closer relation between environmental factors and larva occurrence of Melolontha hipocastanea mongolica, and its occurrence features represented: the larva occurrence of non-forested land and immature forest land is graver than that of forest land and shrub land; thin forest is more serious than dense forest; loose soil is graver than compact soil; slope is severer than valley and ridge and the density of larva reached nil in some valley and drained area, which indicated that...

Investigation showed: there was a closer relation between environmental factors and larva occurrence of Melolontha hipocastanea mongolica, and its occurrence features represented: the larva occurrence of non-forested land and immature forest land is graver than that of forest land and shrub land; thin forest is more serious than dense forest; loose soil is graver than compact soil; slope is severer than valley and ridge and the density of larva reached nil in some valley and drained area, which indicated that the climate changes and the ill development of ecological environment are main causes resulting in serious damages gradually of Melolontha hipocastanea mongolicain non-deep forest district of Taizi Mountain.\;

调查发现,大栗鳃金龟幼虫发生与环境因子关系密切,表现为无林地、未成林造林地重于有林地、灌木林地,郁闭度低的林分重于高的林分,疏松的土壤重于紧密土壤,坡面重于脊部与谷部,一些谷部及易形成积水的地方,虫口密度接近于零。指出气候变迁及生态环境恶性发展,是太子山浅山地带大栗鳃金龟危害逐渐严重的主要原因。

A hydrological model was designed to be coupled with RegCM2 and to simulate the discharges of the two important hydrological stations in the Yangtze River basin through adjusting the RegCM2 runoff scheme with the heterogeneous surface runoff algorithm that is suitable to both loosen and compact soil.The model was verified by observation data.The monthly precipitation of June,July and August 1998 during the rain storms was calculated with the model,and the impacts of the runoff scheme on precipitation,surface...

A hydrological model was designed to be coupled with RegCM2 and to simulate the discharges of the two important hydrological stations in the Yangtze River basin through adjusting the RegCM2 runoff scheme with the heterogeneous surface runoff algorithm that is suitable to both loosen and compact soil.The model was verified by observation data.The monthly precipitation of June,July and August 1998 during the rain storms was calculated with the model,and the impacts of the runoff scheme on precipitation,surface heat fluxes,runoff and soil moisture were analyzed.The results show that ① the runoff scheme is reasonable for simulating the precipitation distribution during the rain storms in 1998,and improved,to some extent,the precipitation simulation,about 10% total precipitation;② the runoff scheme changes,from time to time,the heat fluxes from surface to atmosphere,which is related to the re-assignment of surface water;③ this scheme enhances soil infiltration which results in less runoff during the early period of the rainstorm,and more runoff during the late period.

建立了不均匀的地表径流算法,修改了RegCM2中径流方案,这一算法适用于疏松土壤和紧密土壤。设计了一个适合与气候模式RegCM2耦合、能模拟水文站流量的汇流模式。模拟了1998年夏季大暴雨期间6、7、8月降水的空间分布,分析了该径流方案对降水、地表热量通量、地表径流、土壤湿度产生的影响,结果表明:①本文提出的方案在模拟1998年长江流域夏季大暴雨期间降水的空间分布上有一定的合理性,在一定程度上改善了降水量的模拟,其影响大致是总降水量的10%左右。②地表径流方案改变了地面向大气输送的热量通量,这种作用随时间发生变化,这种变化与地表水分的再分配有关。③本方案计算的土壤渗透能力较强。在暴雨的初期,产生径流较少,而在暴雨后期土壤湿度增大,产生的地表径流较大,这一点更符合洪水形成的特点。

 
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