1) the Hill Areas of Eastern Sichuan
川东丘陵区
1.
Thereafter a Dynamic Flux Chamber (DFC) technique was applied to monitor air/surface exchange flux of mercury Synchronous over dry field and paddy field, which belong to two kinds of main type of soil located in CHENGJIANG town (purple soil) and CAOSHANG town (mineral yellow soil) respectively in the Hill Areas of Eastern Sichuan.
据此,本研究应用动力通量箱(DFC)与Lumex RA915~+测汞仪联用技术,选择重庆市北碚区具有不同土壤类型的澄江镇(紫色土)和龙凤镇槽上(矿质黄泥)为川东丘陵区代表性研究地点,在每个研究点选择邻近具有代表性的水田和旱地作为监测点,每月一次,每次持续24-48小时,连续10个月同步监测了土/水-气界面的汞释放通量,同时考察各环境因子对汞释放的影响。
2) hills of the central Sichuan Basin
川中丘陵区
1.
Methane emission from paddy fields and its affecting factors in hills of the central Sichuan Basin.;
川中丘陵区稻田甲烷排放及其影响因素
3) hilly area of central Sichuan basin
川中丘陵区
1.
The 10-,15-,20-and 25-year-old mixed alder(Alnus cremastogyne)-cypress(Cupressus funebris)plantations and the 30-year-old pure cypress plantation succeeded from mixed alder-cypress plantation in the hilly area of central Sichuan Basin were chosen as test objects to study the dynamic changes and allocation patterns of their carbon storage.
选取代表性的10、15、20和25年生桤(Alnus cremastogyne)-柏(Cupressus funebris)混交林及由桤-柏混交林演替而来的30年生纯柏林为研究对象,探讨了川中丘陵区人工桤-柏混交林生态系统碳储量的变化动态及其分配规律。
4) hilly Sichuan Basin
川中丘陵区
1.
A study on soil erosion induced sediment yield by reservoir and pond deposits dating with ~(137)Cs in small catchments of the hilly Sichuan Basin and the Three Gorges Region;
川中丘陵区和三峡地区小流域侵蚀产沙的塘库沉积~(137)Cs断代
5) Sichuan hilly basin
川中丘陵区
1.
Combing Wepp Model with ~(137)Cs to Study Spatial Pattern of Soil Redistribution on Purple Slope-Land in Sichuan Hilly Basin;
川中丘陵区坡耕地侵蚀空间分布的WEPP模型和~(137)Cs法研究
2.
This paper applies the WEPP model to simulate soil erosion and spatial variation in Sichuan hilly basin.
利用WEPP模型对川中丘陵区盐亭站5个径流小区土壤侵蚀量的预测和土壤侵蚀空间分布的模拟发现:WEPP模型对次降雨土壤侵蚀的预测,相对误差在30%以内的占总样本86%以上;对年降雨土壤侵蚀预测的误差较稳定,且相对误差均在15%以内。
3.
Yangtze River cutting through the Three Gorges in the middle Pleistocene has led to rapid cut-down of river beds in the Sichuan hilly basin.
长江三峡中更新世的贯通,导致川中丘陵区河流的急剧下切,两岸广袤的平原被沟谷肢解为起伏的丘陵,现今孤立的丘顶是河流下切前的平原面,沟谷的盆腔体积表征了急剧下切以来的侵蚀量。
6) the hill region of middle Sichuan
川中丘陵区
1.
In this paper,the high-resolution satellite remote sensing images from the IKONOS Company and RS,GIS and GPS technology were used to study the energy flow of village-level landscape characteristics in the hill region of middle Sichuan.
利用美国IKONOS公司高分辨率卫星电子遥感图、GPS定位和GIS软件技术,研究川中丘陵区乡村景观生态系统能流特征。
2.
The relationships between ENSO and the climate changes in the hill region of middle Sichuan during last 50 years are investigated by using correlation analysis,residual mass curve and crosstabs chi-square test.
主要根据南充气温和降水资料,利用相关分析、差积曲线法和交叉列联表χ2分析,研究了川中丘陵区近50年气候变化及与ENSO的关系。
3.
The paper chose the hill region of middle Sichuan as the investigation scope.
本研究旨在为坡坎资源的开发利用寻求理论和实践依据 ,以川中丘陵区为典型调查区域 ,从地层岩性、地面坡度、坡长、坡向及土壤侵蚀等特征入手 ,探讨了区域坡坎的地理过程特征。
补充资料：川中丘陵
| 川中丘陵 位于中国四川省中部。华蓥山以西，龙泉山以东，北至米仓山、大巴山，南抵长宁山。又称盆中丘陵。面积约8.4万平方千米。丘陵广布，溪沟纵横为主要地理特征。海拔多在700米以下。中生代红层泥岩和砂岩广布，二者常成互层，厚薄不一。丘陵间多大河，形态有异，曲流发达，西岸有多级阶地，发育紫色土，肥力高，适合多种作物生长，是四川盆地重要农业区和经济林区。地面破碎，平地少，坡度大，水土流失严重，需综合改造利用。 |
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