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- vegetation coverage map 植被覆盖度图
- The proportion of vegetation coverage in this area is 52.7%. 这个地区植被覆盖面积是52.;7%25。
- The difference between NDVI and EVI is larger as vegetation coverage increases. NDVI与EVI值的差异随着植被覆盖度的增加而增大。
- The change of vegetation coverage indicates the changes of global and regional entironment. 植被覆盖及其变化是全球和区域生态环境变化的重要指示。
- Spectral data of sandy land are changed with vegetation coverage,vegetation ty... 沙化土地光谱数据表现出随植被覆盖、植被类型、土壤、地类等的变化规律。
- Field measurement and remote sensing measurement are rudimental approaches to get vegetation coverage. 地表实测和遥感测量是获取植被盖度的两种基本途径。
- The result shown that the vegetation coverage changed obviously with the fluctuant annual precipitation. 结果表明,民勤荒漠草场植被盖度随年际降水量变化明显。
- The results showed that the total vegetation coverage, shrub and undershrub coverage decreased;herbage coverage increased. 结果表明:从固定沙丘、半固定沙丘到流动沙丘,总盖度、灌木盖度下降,草本盖度增加。
- The results show that the dimidiate pixel model based on NDVI can ha used in the extraction of vegetation coverage in desertified region. 研究结果表明,基于NDVI的像元二分模型适合于沙漠化地区的植被覆盖度提取。
- The vegetation coverage were positively correlated with precipitation and aridity index, but negatively correlated with temperature. 植被覆盖度与降水、干燥度指数呈正相关,与温度呈负相关;
- After the control, the ratio of vegetation coverage in gully and slope has been separately raised from 26% and 28% to 68% and 76%. 经治理后沟道和坡面的植被覆盖率由原来的26%25和28%25分别提高到68%25和76%25;
- This research still finds the vegetation coverage has a large influence on the evapotranspiration of underlaying surface. 研究分析还发现,植被的覆盖对下垫面的水热性状影响很大。
- A study conducted in 1997-2000 in Delingha, Qinghai Province, showed that the percentages of quality forages and total vegetation coverage increased obviously. 结果表明:草地中优良牧草比例和植被盖度明显增加;
- The model corresponds to silicic alteration zones.Under the conditions of vegetation coverage,the model can play a guiding role in gold exploration an... 在植被覆盖的条件下,该模型在此类金矿勘查中起到先导作用,可用于推断硅化蚀变带的规模和指导勘探工程的布设。
- The precipitation is a determinative role for plant growth at present.The change of vegetation coverage is very large with annual rainfall, especially annual plant. 现阶段决定荒漠植被生长状况的主要是大气降水,植被盖度和密度随年际降水量变化较大,尤其是一年生草本植物。
- The results showed that in this ecotone, the area with lower vegetation coverage was increasing, while that with higher vegetation coverage was in adverse. 结果表明:1986-2000年,研究区高盖度植被的面积缩减,低盖度植被的面积增加;
- For year round unfenced grazing land,the total above ground biomass,overall vegetation coverage,and average plant height were all lower than for fenced land. 在全年放牧草地中,地上总生物量、植被总覆盖度、植被平均高度等指标均低于围栏内的草地。
- The method of Delphi is used to decide the weight of all environmental factors,among which vegetation coverage is the most important,next is pollution load and water channel density. 利用层次分析法定量各指标的权重,表明植被覆盖是影响石河子市生态环境最重要的因素,其次为污染负荷与水网密度状况。
- There is a map of the world on the wall. 墙上有张世界地图。