風乾土 的英文怎麼說
中文拼音 [fēnggāntǔ]
風乾土
英文
air-dried soil-
Setenaly according to the analyses from selected profiles, we know that, it is cold and dry in this region during the early holocene when east asian winter monsoon ' s influence is obvious, so, it is a transition period from sand deposit to sandy soil deposit, when the layers become thinner gradually from north to south. during middle holocene, it is warm and humid, influenced evidently by east asian summer monsoon, so, it is an obivious pedogenesis, when there are generally well - developped holecene palaeosol ( so ) from north to south, and the pedogenesis in the south is better than that in the north, the soil is also thicker than that of the north. from late holocene to now, the climate changes to be dry and cold, but its changing scope is smaller than that of last glacial period
2 、就所選剖面分析來看，本區在全新世早期氣候回返，相對較寒冷乾燥，東亞冬季風影響較明顯，此時為沙層堆積向砂質土壤過渡，自北至南堆積的沙粒漸細；全新世中期氣候溫暖濕潤，東亞夏季風影響顯著，此時為明顯的成壤期，表現在自北至南普遍可見發育較好的黑壚土層，且南部的成壤作用比北部好，土壤的厚度也要大；全新世晚期至今，氣候向乾冷方向轉化，但變化幅度遠小於末次冰期。( 2 ) there is stage of soil formation from the evolution of pedogenic environment in the weihe valley during holocene. soil formation shows the law of evolving from warm and wet strong soil formation period to cold and dry dust deposition period ( weak soil formation period ) and to warm and wet strong soil formation period again. the loess - soil sequence is a compound soil sectional system of different kinds of soil evolution under different bio - environment and pedogenic processes
（ 2 ）通過對全新世渭河流域成壤環境演變問題的討論，揭示了全新世渭河流域土壤的發育具有階段性，表現為由溫濕的強成壤期向冷乾的沉積期（弱成壤期）演變、再向溫濕的強成壤期演變的規律；黃土一古土壤序列是不同生物氣候環境下、不同成壤過程發育的不同土壤類型演替而形成的復合型土壤剖面體系；而且由於冬夏季風環流及其環境效應在空間上的差異，使得復合型土壤剖面體系也存在著南北差異。The mission of the conservation and production research laboratory is to 1 ) develop improved water management methods and irrigation technology for sustaining or enhancing crop productivity, improving water use efficiency, reducing ground water use, and enhancing water and soil quality ; 2 ) develop management practices that optimize the use of water, soil, climatic, and nutrient resources for economically and environmentally sustainable crop and livestock production systems under dryland and limited - irrigation conditions ; 3 ) develop systems for utilizing renewable energy sources ( wind, solar, and biofuels ) for pumping irrigation, livestock, and farmstead water and generating electric power ; 4 ) develop regimens that reduce environmental risks posed by accumulations of feedlot wastes by reducing the phosphorus content, improving nutrient utilization, and applying manure to grasslands
描述:美國農業部保持與生產研究實驗室的主要任務是： 1 .開發水資源管理方案或灌溉技術，提高用水效率，減少地下水使用，改善土壤和水質； 2 .使水資源、土壤資源、氣候和養分資源達到最優化，以保證在乾旱和灌溉條件有限的地區種植業和畜牧業能可持續發展； 3 .開發可再生能源用於灌溉、畜牧飼養和發電； 4 .通過減少磷成分，降低飼養場廢棄物的環境風險，將其施用於牧草地，提高養分利用率。We found that the summer climate of north in arid region becomes better, speed of wind in low level deducing, so does the climate south in arid region, which shows that the regional climate is affected by lulc variation sensitively and proved that the proper land use is of significance for mitigating the global warming and for ameliorating the deteriorated ecological environment
結果表明我國西北乾旱區近地面風速降低，氣候狀況有所改善，同時對我國南方的氣候狀況也有影響，揭示了氣候狀況依賴于地表植被變化的敏感性，也進一步證實了下墊面植被在調節氣候狀況方面的重要性以及合理的土地利用對于緩和全球變化的強度和尺度、減少風沙和乾旱等氣候災害、改善日益惡化的生態環境方面的重要意義。Brother tian said that his familys ploughing efforts turned up only dry soil, and the topsoil in the fields was easily blown away by the wind
田師兄說，翻地都只翻出乾土來，田裡的表土一見風就四處飛揚。Takes tugou in yanchi county as an example, according to the water resources of tugou, with the implementation of farmland irrigation developments and water irrigating system and adjustment of the agriculture plants, the carrying out of technigues of the agriculture multi - plants, making tugou village a good model of water using efficiently, which provides theoretical basis for the same dry sandy area
以鹽池縣土溝村為例，根據土溝村水資源的條件，通過加強農田水利建設、推行節水灌溉制度、調整農業種植結構以及多相農業節水種植技術的實行，使土溝村在高效用水方面具有一個良好的用水優化模式，為乾旱風沙區同類地區的井灌節水利用方面提供一定的理論依據。" the sun shines on the sanggan river " and " the storm " both reflects the land reform movement in the bustling liberated area
摘要《太陽照在桑乾河上》和《暴風驟雨》都反映的是解放區熱火朝天土地改革運動。The spatial and temporal coupling of precipitation, air temperature and strong wind result in severe wind erosion in spring and winter seasons and land degradation
降水、氣溫和大風在時空上耦合，造成了冬、春季嚴重的乾旱、風沙侵蝕和土地退化。Crucially, he said, the bog owner covered up the book with damp soil. had it been left exposed overnight, he said, " it could have dried out and just vanished 15, blown away.
他說，至關重要的是泥塘主人用潮濕的泥土蓋住了書，如果他整夜都讓書暴露在外，那它一定會被吹乾，隨風散了。Crucially, he said, the bog owner covered up the book with damp soil. had it been left exposed overnight, he said, " it could have dried out and just vanished, blown away.
他說，至關重要的是泥塘主人用潮濕的泥土蓋住了書，如果他整夜都讓書暴露在外，那它一定會被吹乾，隨風散了。And mu us region, which located on the northwestern part of the loess plateau, is far from the sea and has a relatively dry climate, is one of the regions with serious desertization as well as ecological fragility. so, this study has not only important theory meaning but also obvious realistic meaning and high practical value
毛烏素地區位於黃土高原西北邊緣，深居內陸，氣候乾旱多風，是我國沙漠化最為嚴重的地區之一，因此，對該地區沙漠化驅動機制進行研究，不僅具有重要的理論意義，而且具有明顯的現實意義和較高的實踐價值。With the development of agriculture and industry and the enlargement of man ' s activity, the demand of water supply has increased in the region over the past decades. in the backward areas along the heihe river, there are a lot of ecological environmental problems such as lake dried up, sustainable, lowering of ground water level, water pollution, soil salinization and desertification, degradation of natural oasis and grassland, as well as sand storm
近幾十年來，由於工農業的發展和人類活動的擴大，黑河流域中下游用水量的增加，黑河下游出現了嚴重的缺水現象，由此導致了一系列諸如河流湖泊乾枯、地下水水位持續下降、水質惡化、植被退化、土壤鹽堿化、土地風蝕化等環境問題。包氣帶水分、鹽份的分佈和運移對地表植被生長有著重要的影響。Unseasonably dry and windy conditions have charred more than 53, 000 acres and destroyed 10 homes in southeastern new mexico in recent weeks. " i ' ve seen numerous house fires, " village fire department capt. jim lyssy said, " but nothing as unique as this one.
他還透露說，最近幾個星期以來，異常的乾旱大風天氣引起的草原大火已經燒焦了新墨西哥州南部5 . 3萬英畝的土地，有10戶人家的房屋被毀。Qitai county lies at the south edge of junggar basin. it is arid and windy and it is the area where the land desertification is being developed in our country.,
奇臺縣位於西部內陸乾旱區的準噶爾盆地南緣，氣候乾旱多風，是我國土地沙漠化正在發展的區域。Global climatic change would cause the response of ecosystem. in arid and semi - arid regions such as shaanxi - gansu - ningxia region, what is the response of regional river runoff ? would it cause river runoff to increase or reduce
陜甘寧地區處于對全球氣候變化較敏感的中緯度地區，是東亞夏季風邊緣帶，氣候乾旱不穩定，其主體部分為黃土高原中部的丘陵溝壑區，是世界上水土流失最嚴重的地區，生態環境十分脆弱，目前氣候暖干化趨勢明顯。During the banpo man time or in the middle holocene, 5000 ~ 6000 bp, the climate within the modern glaciation best fitted vegetation and the intrusion of some sub - tropic trees was postulated to have taken place
古土壤代表間冰期夏季風盛行的濕熱氣候，植被比較繁盛；黃土代表冰期冬季風盛行的乾冷氣候，植被凋凌。分享友人