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Tianshan’s Northern Slope: Orographic Precipitation and Oasis Agriculture
天山北坡降水与绿洲农业
精读先不看文字,完整听一遍。
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Moist air from the Atlantic and Arctic meets the Tianshan’s northern slope, producing orographic rainfall that sustains oasis agriculture in Xinjiang.来自大西洋和北冰洋的湿润气流遇天山北坡抬升,形成地形雨,滋养新疆绿洲农业。
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Annual precipitation here reaches 600 mm—ten times higher than the arid Tarim Basin just south of the range.此处年降水量达600毫米,是山脉南侧干旱塔里木盆地的十倍。
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Snowmelt from high-elevation glaciers feeds rivers like the Ili and Manas, enabling large-scale cotton and wheat production.高海拔冰川融水补给伊犁河、玛纳斯河等河流,支撑大规模棉花与小麦种植。
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Farmers use drip irrigation systems to conserve water while cultivating fruit orchards on alluvial fans near mountain fronts.农民在山前冲积扇上采用滴灌系统种植果园,节约用水。
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Seasonal snowpack depth determines summer reservoir storage, directly influencing irrigation quotas for over two million hectares.季节性积雪深度决定夏季水库蓄水量,直接影响逾两百万公顷农田的灌溉配额。
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Wind erosion is minimized by shelterbelts of poplars and willows planted along field margins to protect topsoil.农田边缘种植杨树、柳树防风林带,减轻风蚀,保护表土。
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Remote sensing tracks greenness indices to detect early stress in vineyards and melon fields during midsummer heatwaves.遥感监测植被绿度指数,于盛夏热浪期间及早发现葡萄园与瓜田胁迫迹象。
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Groundwater recharge occurs mainly in piedmont zones where coarse sediments allow rapid infiltration from floodwaters.地下水主要在山麓地带补给,粗粒沉积物利于洪水快速下渗。
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Climate projections suggest increased winter precipitation but earlier spring melt, shifting peak flows away from critical planting periods.气候预测显示冬季降水将增加,但春季融雪提前,导致径流峰值偏离关键播种期。
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Transboundary water agreements between China and Kazakhstan govern shared Ili River basin allocations amid growing demand.中哈两国通过跨界水资源协议,统筹日益增长需求下的伊犁河流域水量分配。
精读 · 大约 10 分钟
听 → 读 → 学表达 → 懂 → 今天会说这一句 → 跟读录音 → 自己说一句。
③ 学 · 重点表达
- Groundwater recharge occurs mainly in piedmont zones where coarse sediments allow rapid infiltration from floodwaters. 地下水主要在山麓地带补给,粗粒沉积物利于洪水快速下渗。
- Seasonal snowpack depth determines summer reservoir storage, directly influencing irrigation quotas for over two million hectares. 季节性积雪深度决定夏季水库蓄水量,直接影响逾两百万公顷农田的灌溉配额。
- Transboundary water agreements between China and Kazakhstan govern shared Ili River basin allocations amid growing demand. 中哈两国通过跨界水资源协议,统筹日益增长需求下的伊犁河流域水量分配。
④ 懂 · 选一选
⑤ 今天会说这一句
Groundwater recharge occurs mainly in piedmont zones where coarse sediments allow rapid infiltration from floodwaters.
⑥ 跟读并录音
Groundwater recharge occurs mainly in piedmont zones where coarse sediments allow rapid infiltration from floodwaters.
第一版:录下来、回听、再听标准音。系统打分以后再加。
⑦ 说 · 自己来一句
用今天的表达,自己说一句。
例子:Groundwater recharge occurs mainly in piedmont zones where coarse sediments allow rapid infiltration from floodwaters.
已记下。连续天数以后会显示在课表里。
陈老师指导
课程开发中,敬请期待。成人和孩子都可以先自学听读、精读。
这边的讲解音轨还在做。想先跟着老师走完固定 30 课,可以去陈老师带读社(和自学通行不是同一份会员)。
课程开发中,敬请期待。