The hydrologist figured the water depth along a wharf piling. 水文工作者在码头桩上用数字标明水深。
From hydrologist to biofuel engineer, they are careers that are sustainable and fulfilling. 不论是水文工作者，还是生物燃料工程师，他们的工作都是可持续的也是能实现个人抱负的！
Roger Gauthier, a hydrologist with the U.S.Army Corps of Engineers said even heavy snowfall in January and February may not be enough to replenish the water lost. 美国工兵处的水文学者RogerGauthier说一二月的大雪都未必足够补充五大湖失去的水。
We realised that huge areas of the snowpack in the Sierra went down to 15 per cent of today's values, says Michael Dettinger, a research hydrologist at the Scripps Institution of Oceanography in La Jolla, California. 加利福尼亚拉霍亚市斯克里普斯海洋研究所的一位水文学家迈克尔·德廷杰说，我们发现，在谢拉地区积雪场的大部分面积已在目前的基础上缩小了15%25。
We realised that huge areas of the snowpack in the Sierra went down to 15 per cent of today's values,says Michael Dettinger,a research hydrologist at the Scripps Institution of Oceanography in La Jolla,California. 加利福尼亚拉霍亚市斯克里普斯海洋研究所的一位水文学家迈克尔·德廷杰说，我们发现，在谢拉地区积雪场的大部分面积已在目前的基础上缩小了15%25。
