小气候
- microclimate
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(1) [microclimate]
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(2) 一个给定的地点或场所,其大小从极细小的裂缝到很大的地区的局地气候
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(3) 也比喻小范围内的情势
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结果表明,CO2施肥可以改善大棚内的小气候;
The results showed that application of CO_2 could change the microclimate of the plastic film house and improve cucumber growth .
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西双版纳热带季节雨林干热季林冠上小气候特征及CO2通量的观测
Characteristics of microclimate and CO_2 flux above a tropical seasonal rain forest in dry-hot season of Xishuangbanna , southwest of China
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基于PRESS准则选取预报因子的逐步算法我国地形小气候研究概况与展望
The Stepwise Algorithm for Selecting Predictors on the Basis of the Criterion from Prediction Sum of Squares
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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。
The components of water balance , CO2 released from soil , and the property of forest microclimate obviously change with dry and wet seasons .
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林地、果园间种籽粒苋能有效地改善林地小气候、改善土壤结构,并在一定程度上调节土壤水分状况,有效地增加土壤中P、K含量,改良土壤;
Inter-planting Grain amaranth can improve the microclimate and soil structure . It can also adjust the soil moisture , increase P and K contents , improve soil quality in some degree .
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林龄为2a时,幼林的小气候效应对土壤温度产生影响;
When it is of 2 years , it begins to influence the temperature of the siol .
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由于受复杂的田间管理水平及内部小气候的影响,蔬菜保护地土壤CO2与N2O排放的季节变化规律均不如粮田土壤明显。
Compared with the grain fields , the seasonal change extents were smaller for CO2 and N2O emission in the protected vegetables fields because of the complicated farmland management and inner microclimate .
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针对温室的小气候条件,以生长期的黄瓜作为测试对象,分析了太阳净辐射(Rv)和水汽饱和差(VPD)对叶片温度的影响。
The influence of net radiation and VPD on leaf temperature of cucumber grown in greenhouse was studied .
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进而,利用禹城站的常规气象观测数据为输入文件,采用SHAW模型(theSimultaneousHeatandWaterModel)模拟玉米冠层中的以下因素:小气候要素、能量平衡、冠层温度、土壤温度以及冠层表面辐射。
The , using the measured meteorological data in Yucheng , the SHAW ( the simultaneous Heat and Water ) model was used to simulate the following factors : microclimate variables , energy balance , canopy and soil temperature , and surface radiation .
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最后,结合IBP算法强大的局部寻优能力完成整个温室小气候模型的建立。
Finally , the whole microclimate model in greenhouse was set up with the powerful local-optimization of IBP algorithm .
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实验测得0~20cm高度范围内风沙流输沙量较流沙地减少了80.2%,小气候及土壤等生态条件明显改善;
According to experiment , within the height of 0-20 cm , sand transport is reduced by 75.8 % , and environment , soil and other ecological conditions are obviously improved .
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其他小气候因子行间变化较小,且与间作行距(10~56m)和间作年限(4~14年)关系不密切。
The other factors , however , have smaller variance among rows and have little relation with intercropping spacing ( 10-56m ) and years ( 4-14 year ) .
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使用美国NCAR新版MM5V3.6非静力平衡模式,采用三重嵌套的降尺度方法,模拟研究了夏季金塔绿洲小气候效应特征。
Using the NCAR nonhydrostatic mesoscale model MM5V3.6 , triple nested technique and the NCEP reanalysed data in July , 2003 , the microclimate effect in Jinta oasis was simulated .
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尺度在15km以上的绿洲可以形成绿洲&沙漠环流和绿洲的小气候,有较低的边界层,同时在绿洲边缘的沙漠形成湿气柱。
The oasis-desert circulation and oasis microclimatic system could be established over the oasis on a scale larger than 15 km , the boundary layer height was low and a water vapour wall could be formed over those oases border ;
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不同量秸秆覆盖改善了农田小气候,降低了春玉米冠气温差(CATD)、提高了叶片水势(LW),尤以中午13:00~15:00效果最为明显。
Different rates of straw mulch to improve the field microclimate , reducing spring maize difference between canopy temperature and air temperature ( CATD ), increased leaf water potential ( LW ), especially from 13:00 to 15:00 noon most obvious effect .
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根据均方根误差RMSE标准分析了模拟值与测量值的误差,结果分析表明,建立的温室小气候动态模型能可靠地估计温室内空气的温湿度值。
Through simulation and analyse of the error between the simulated value and the measured value according to the root mean squares error ( RMSE ) standard , it was shown that the dynamic model can provide reliable estimates of both temperature and humidity in the greenhouse .
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秋天利用5cm土层未冻结前的强寒潮天气,减少越冬虫源;初春进行树下防治,利用土壤小气候特点,恶化越冬茧化蛹的小气候环境,降低虫源基数;
The strong cold currents before soil layer was frozen 5 cm deep in Autumn were made use of to decrease the pest sources and also the small climatic characteristics of soil were used to worsen the small climatic environment when cocoon pupates and decrease the number of pest sources .
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对本模式小气候研究结果表明:桉农间作系统晴天白天地面温度(14m带距)比对照纯农地低3.2℃,比对照纯林地高3.2℃;
By studying the microclimate of this mode , we have drew the conclusions that : The ground temperature ( 14m strip distance ) of the interplant system is 3.2 ° C lower than that of cropland and is 3.2 ° C higher than that of woodland ;
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北京夏季绿地小气候效应
Summer effect of street trees and lawns on Microclimate in Beijing
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直立穗型水稻群体小气候环境研究
Study on Microclimate Environment in Population of Erect Panicle Type Rice
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沙尘暴对植被恢复、农作物的后续影响及区域小气候的影响;
Impact on vegetation restoration , crops cultivation and regional climate ;
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红壤丘陵区不同类型生态系统的小气候效应
Study on microclimates of different ecosystems in hilly red soil areas
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青冈常绿阔叶林内的小气候特征
Features of the micro climate in the evergreen broad leaved forest
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秸秆覆盖农田的小气候特征和增产机理研究
Study on microclimate characters and yield-increasing mechanism in straw mulching field
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果粮间作系统小气候效应的研究
Study on Intercropping System of fruit tree & wheat microclimate effects
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西南亚高山3种典型森林的小气候特征
Characteristics of Microclimate within Three Typical Subalpine Forests in Southwestern China
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温室小气候的建模及其智能控制研究
Research on the Modelling and Intelligent Control of the Greenhouse Microclimate
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超级小麦高产与群体小气候特征关系研究
Study on the relationship of super-wheat productivity and its microclimate feature
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麦田小气候与白粉病流行关系的模拟研究
Computer Simulation of the Relationship between Microclimate and Powdery Mildew Epidemic
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白云山风景区林地小气候与环境
The Woodland Microclimate and Environment of the Baiyun Mountain Scenic Spot