1.The Pennsylvania State University hydrologist works in remote regions of the Arctic and Antarctic, where ice and frozen ground are thawing.
美国宾夕法尼亚州立大学水文工程在偏远地区的北极和南极，冰和冻土层正在融化。
2.Matthew McCartney is a hydrologist at the International Water Management Institute in Addis Ababa, Ethiopia.
MatthewMcCartney是埃塞俄比亚亚的斯亚贝巴的国际水管理研究所的水文学家。
3.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。