1. They called in a hydrologist.

2. The hydrologist figured the water depth along a wharf piling.

3. Matthew McCartney is a hydrologist at the International Water Management Institute in Addis Ababa, Ethiopia.

4. The Pennsylvania State University hydrologist works in remote regions of the Arctic and Antarctic, where ice and frozen ground are thawing.

4. Wish you will love and make progress everyday!

5. Wang Weiluo, a Chinese hydrologist living in Germany, says cities such as Shanghai, which lies downstream from where the water will be diverted, will see their own water resources reduced.

6. Today we're speaking with Robert Hirsch, a research hydrologist for the U.S. Geological Survey, or USGS.

7. Hydrologist John Mullaney, of the USGS's Connecticut Water Science Center, says that the data further clarify how urbanization affects waterways.

8. The commission has contacted the Ramsar Bureau asking it to nominate hydrologists to carry out an independent survey of the scheme.

9. The river basin is a well-defined spatial unit that is of great interest to hydrologists, geomorphologists and geographers.

10. Until now, he's been a lumberjack in Oregon, a medical equipment manufacturer in Minnesota, a hydrologist in Colorado, a farmer in Nebraska, to name just a few.

11. "Groundwater resources are being rapidly depleted in many regions of the world," says U.C. Irvine hydrologist James Famiglietti, another team member.

12. "The severity of chloride concentrations in the streams was much greater than we expected, " says hydrologist Steve Corsi of the USGS's Wisconsin Water Science Center, lead author of the paper.