land wind

The results show that the influence of initializing is very important to sea surface field numerical model in limited areas , especially the wind field or the sea at the beginning periods that can be seen from the different ability of forecasting between sea wind and land wind .

对未采用初始化与采用初始化方法进行了预报实验比较，结果表明，初始化方法对有限区域海面风场模式作用明显，尤其是海面风场的开始阶段，主要体现在海风与陆风预报能力的差异上。

Study on land wind speed variation in coastal area

沿海陆上风速衰减规律

The principle of the aerodynamics is used to study the land wind field characteristic of the Daqing oil field and the wind load spectrum theory of oil rig derrick has been established .

运用空气动学原理，研究了大庆油田的陆地风场特性，进行了井架结构风载荷谱理论分析。

Compared with the land wind , offshore wind power has the advantages of high wind speed and low eddy current loss , developing offshore wind is a new trend of the development of wind power .

相对于陆地风能，海上风能具有风速高、涡流损耗小等优点，大力发展海上风电是风电发展的新趋势。

Analysis on Development and Management of " Three Gorges on Land " Wind Project

中国陆上三峡风电建设与管理研究

On semi-fixed sandy land , wind velocity has a power function to the sand transport ;

半固定沙地风速与输沙率为幂函数关系；

Echoes from fairy land the wind .

风来仙境回声。

It has been one of the most competitive energy sources all over the world , costing less than wind power and requiring less land than wind .

它是全世界最有竞争力的能源之一，比风电成本更低，需要的土地更少。

The relation of wind velocity and total amount of sand transport also changes with vegetation coverage : On shifting sandy land , wind velocity has a cubic function to the sand transport ;

随着植被盖度的变化，风速与输沙率的关系也发生变化：流动沙地上风速与输沙率呈三次函数关系；

Study on the evaluation of different types land resources in wind and sand area of Pinglu Area

平鲁风沙区不同立地类型土地资源评价研究

Mangrove forests protect land against from wind , water and storms .

红树林可以保护土地免受风力，水力和暴风雨的侵蚀。

The wearing away of the land surface by wind or water . Erosion occurs naturally from weather or runoff but is often intensified by man 's land-clearing practices .

土地表面由于风或雨侵蚀所带来之磨耗，亦可由人的耕地行为造成更大的伤害。

From the perspective of land demand , wind generator can use small place and the space can be used between wind generator . It can ease the present situation of Coastal land tensions .

从用地需求角度来看，风力发电的风机占地面积小，且风机间的空地可以充分利用，缓解沿海地区用地紧张的现状。

It has long been known that trees enhance rainfall by cooling the land , slowing wind evaporation and erosion , and transpiring water into the sky from their leaves .

长久以来人们就知道树木能提高降雨量，原理就是，树木使大地变得更凉爽，同时减慢风力蒸发和侵蚀，并使叶子上的水汽蒸发到空气中去。

In girder land , the wind erosion of the stubble land of naked oats , grassland and woodland is separately 14.76 % , 68.67 % and 82.23 % more than CK ( plough land ) .

在梁地上莜麦留茬地、草地、林地的风蚀量分别比对照减少14.76%、68.67%和82.23%。

On semi-fixed sandy land , when wind velocity is low , relative sand-dust content has a logarithmic function to the distribution of height ; when wind velocity increases to some degree , the relation of relative sand-dust content and distribution of height changes to power function .

在半固定沙地上，当风速较低时，沙尘相对含量随高度分布呈对数函数关系，当风速增大到一定程度后，沙尘相对含量随高度分布的关系变为幂函数关系；

Quantitatively assessing the influence of various surface land cover types on wind erosion intensity in dust sources in China

定量评价中国北方粉尘源区地表覆盖类型对表土风蚀强度的影响

Mobile sandy land characterizes as strong wind erosion , strong deposition while natural shrub vegetation area with high coverage characterizes as weak wind erosion and weak deposition .

流动沙地表现为强风蚀、强堆积，而高盖度天然灌丛植被区表现弱风蚀、弱堆积特点。

So to replace that nuclear power plant with wind would mean dedicating nearly 280 square miles of land to a gigantic wind farm , which would be about the size of New York City .

因此，要用风电场取代核电站意味着，一个大型风电场要占地近280平方英里，这几乎与纽约市的面积相当。

The aeolian desertification is a land degradation characterized by wind erosion mainly resulted from the excessive human activities in arid , semiarid and part of sub-humid regions in Northern Chian .

沙漠化是干旱、半干旱及部分半湿润地区由于人地关系不相协调所造成的以风沙活动为主要标志的土地退化。

The Dust Bowl of the 1930s was human-caused , after the grasslands of the Great Plains were ripped up , and the land thrown to the wind .

上世纪30年代的沙尘暴属人为所致，是因为北美大平原的草地被毁，土地任由风化侵蚀。

Analyzing the sandstorm , the experts and scholars in our country have recognized that , the main reason of sandstorm happens is the increasing expansion of desertification land and the primary sector forming desertification of land is the soil wind erosion .

专家学者研究沙尘暴发生的原因认为，我国沙漠化土地面积日益扩大是沙尘暴发生的重要因素，而土地沙漠化的首要环节是土壤风蚀。

Since 1991 , the government has formulated a series of favorable policies establishing manorial mode in sandy land to combat desertification . One house hold of villager become a manor to manage a certain area of land , controlling wind and sand and using sandy land resources .

沙漠化是影响农业生产的主要因素，具政府自1991年以来，制定了一系列治沙优惠政策，以农户为单位在沙地里建立庄园模式区，防治沙漠化，综合开发沙地资源。