We churned our way from one gully to the next, throwing up huge waves of powder, briefly nipping across the piste in between, no doubt startling Japanese skiers as we darted in front of them, spattered head to foot with snow.

家鄉(xiāng)的雪山積雪并不很深久久思热99re热，而大量積雪在日本是常有的事，極易導致雪崩。我們在2月份到訪時，就有兩位滑雪的日本人葬身在北方的本州青森縣一場雪崩中色婷婷五月综合大全。

Using quantification theory Ⅰ, relations of soil water and qualitative factors such slope degree, direction, position, and soil in Wangjiagou Gully were analyzed.

運用數(shù)量化理論Ⅰ方法，對王家溝小流域土壤水分與坡度能直接在线看的网址你懂的、坡向最近免费视频中文完整版2019、坡位和土壤等定性因子進行分析。

Compared with the runoff in 1959～1969, the average extents o f water reduction in riverhead gully section and hill section are maximal, namely 36.33%and 36.21%, respectively, and the one o f water reduction in sand and wind section is the least, namely 20.61%.

趨勢分析結(jié)果顯示国产免费的黄网站在线观看视频，河源澗區(qū)欧美在线伊人、風沙區(qū)、丘陵區(qū)各代表流域年徑流量均在1970年前后發(fā)生一致性改變经典在线视频日韩精品免费，即從1970年以來開始有明顯的減少趨勢，平均減流幅度（與1959～1969年徑流相比）以河源澗區(qū)和丘陵區(qū)最大污污污污污www免费网站，分別為36.33%和36.21%九九插美女视频，風沙區(qū)最小（20.61%）www.av小日本。

So Robinia pseudoacacia was planted in semi-cloudy and gully and valley slope with better water condition, and effect foster measure was made.

因此刺槐造林應選栽在半陰坡最新精品黄色网站久爱、溝谷等水分條件較好的生境，并要施加得當?shù)膿嵊胧?二区农村乱沦视频。

The sheepherder showed me two ways: one is along the Great Wall on the ridges, another is down the hill along the gully path.

牧羊人為我指出了兩條到達匯交點方向的路亚洲综合日韩Av无码毛片天堂，一條是沿著山脊，即沿著邊墻――倒塌的長城走亚洲福利一区黑人；另一條是下到山谷里精品久久中文字幕久久av，沿著溝底的小路走。

The erosion processes from sheet erosion, rill erosion, and to gully erosion were represented as well.

結(jié)合3種測量技術(shù)從測量精度亚洲中文久久精品无码国产精品、測量人員要求亚洲综合综合网、數(shù)據(jù)處理、數(shù)據(jù)通用性亚洲视频在线免费公开、配套軟件使用亚洲狠狠综合网站、前期投入、測量條件等幾個方面入手欧洲A片短视频，對比分析高精度GPS(Trimble 5700)久久免费妇女高潮看片A片、三維激光掃描儀(Leica HDS 3000)和測針板的3種測量方法的優(yōu)缺點，同時對3種測量方法在溝蝕過程監(jiān)測和侵蝕量估算方面進行對比研究可以手机在线观看黄色网站。

Soil erosion is widespread in the future should be strengthen the protection of grassland, afforestation, reduce the role of gully erosion and sheet erosion; should also note that the full utilization of water resources in the development of irrigated land, and substantial improvements in agricultural irrigation and drainage facilities to prevent flooding disasters.

水土流失現(xiàn)象普遍亚洲爱爱小视频，今后應加強保護草坡，植樹造林，減少溝蝕和片蝕作用欧美AAAAAA黄片；亦應注意水利資源的充分利用免费看黄色片视频，發(fā)展水澆地，并大力改善農(nóng)田排灌設施一级毛片高清免费视频，防止水患災害草久草网。

The main results were summarized as follows: 1 After forestland was destroyed into farmland, the main erosion type changed from sheet erosion to intensive rill and severe shallow gully erosion, accelerated soil erosion was severe and erosion intensity was hundreds to thousands times greater than those in the forestland prior to deforestation.

隨著開墾年限的增加，單位降雨侵蝕力引起的侵蝕量呈加劇趨勢欧美色图亚洲色图在线。在植被破壞15年的裸露休閑地淺溝集水區(qū)www,五月天,com，侵蝕蝕強度隨坡長的增加而增加，且淺溝槽侵蝕量大于淺溝間香港经典a毛片久久免费观看2，切溝溝槽侵蝕量大于切溝間欧美性交片视频。

Fortunately, the desertification degree decreased obviously, and moderate and light desertification took the leading position. From 1986 to 2003, the spatial centroid of desertification landscape patches expanded southwestward and northeastward, giving serious threat to the ecological safety of the southeast and northeast loess gully and hilly areas.

沙漠化程度明顯下降，沙漠化主導類型已由嚴重沙漠化轉(zhuǎn)變?yōu)橹卸群洼p度沙漠化先锋久久中文。1986-2003年沙漠化景觀整體上向西南和東北方向擴展国产色福利影院，嚴重威脅著西南和東北部黃土丘陵區(qū)的生態(tài)安全。

The land around Waterfall Gully provided the original inhabitants with a number of resources. The bark from the local stringybark trees[5] was used in the construction of winter huts, and stones and native timbers were used to form tools.[2] Food was also present, and cossid moth larvae along with other species of plants and animals were collected.

瀑布谷周圍的土地為原住民提供了豐富的自然資源爱爱视频在哪里考，如建造過冬木屋需要的澳洲桉樹皮天堂视频网站，制造各種工具需要的石頭和天然木料，食物來源充足黑人一级婬片A片免费无码，同時這里也生存著小木蠹蛾和其他多種動植物jizzg。