Author Archives: Anne Jefferson

Measuring actual evapotranspiration with weighing lysimeters

Posted on March 12, 2020 by Anne Jefferson

Weighing lysimeters are one of the very best ways of measuring the actual evapotranspiration from a small area of land, because they use mass balance (i.e., changing weight) to give us the combined total of plant transpiration, soil evaporation, and interception losses over time. Continue reading →

Categories: by Anne, hydrology, teaching

Measuring precipitation: radar and satellite based measurements

Posted on March 11, 2020 by Anne Jefferson

…the vexing problem is figuring out how well that point measurement represents a broader area of interest. So in this post, I want to focus on technologies that look to the sky to provide data on the intensity of precipitation occurring over broader areas. Continue reading →

Categories: by Anne, hydrology, teaching

Measuring precipitation: rain gauges and point precipitation data sources

Posted on March 11, 2020 by Anne Jefferson

As watershed hydrologists, we care a lot about precipitation, especially when it reaches the land surface (or the vegetation just above it). Precipitation is the dominant input to our water balances and a major driver of streamflow and water table … Continue reading →

Categories: by Anne, hydrology, teaching

Whet your Appetite with these 45+ Books on Water

Posted on March 3, 2019 by Anne Jefferson

For some reason, I have a lot of books about water on my shelves. But my collection, seems like a drop in the ocean (forgive me) compared to all of the great books on water that are out there.  I … Continue reading →

Categories: geology

Some thoughts on #WomenInScienceDay

Posted on February 11, 2019 by Anne Jefferson

Today is the International Day of Women and Girls in Science. This day is designated by the UN because “Over the past 15 years, the global community has made a lot of effort in inspiring and engaging women and girls … Continue reading →

Categories: by Anne, general science