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precipitation

Sensitivity of precipitation isotope meteoric water lines and seasonal signals to sampling frequency and location

This work is being conducted by undergraduate lab member, Allison Reynolds. Allison presented her work as part of the CUAHSI/USGS Virtual Workshop on applications of laser specs to hydrology and biogeochemistry. From that workshop, she will have an extended abstract published in a USGS open file report, and her poster …

Radar precipitation measurements

Radar is increasingly used to measure precipitation in hydrologic science applications. It’s handy because it can be both frequent and areally distributed. This NWS newsletter does a great job of going over the basics of how weather radar can be used to derive rainfall rates and totals. This page gives a …

After the storm

Cross-posted at Highly Allochthonous It’s been quite a week. My home in northeastern Ohio got off lightly from “Superstorm” Sandy, compared to places closer to the Atlantic seaboard and in the Caribbean. But still, over 250,000 people lost power due to high wind, especially in Cuyahoga and Lorain counties along …

Storm Comin’

Cross-posted at Highly Allochthonous If you live in the eastern 1/3 of the US and you haven’t started paying attention to Hurricane Sandy, today is THE day. This odd late-season storm is going to hit the northeastern and mid-Atlantic coast hard, having already stormed across the Caribbean, killing at least …

New publication: Coevolution of hydrology and topography on a basalt landscape in the Oregon Cascade Range, USA

How does a landscape go from looking like this… to looking like this? Find out in my new paper in Earth Surface Processes and Landforms. Hint: Using a chronosequence of watersheds in the Oregon Cascades, we argue that the rates and processes of landscape evolution are driven by whether the …

Snowfall map from 1-2 March 2009

The National Weather Service has produced a pretty map of snowfall totals from the storm a few weeks ago.  Mecklenburg County (Charlotte) got around 4″, which is a hair more than I measured at home on Monday morning (~3.5″ plus an ice layer). At our field site in Gaston County, …

A few semantics about climate variability and change

Last week, the Southeastern United States received several inches of snow. This late season snowfall was certainly a novelty, though not an unprecedented occurrence. But it did stir up conversations among local residents, especially when the week ended with ~25 degree Celsius (75 Fahrenheit) sunshine. The weather’s fickleness also got …