Iowa Advanced Technology Laboratories

Facilities and Equipment

Check out the stuff we have in the lab.

DrylANNd GPP

Data and Code

Access the environmental data and code (MATLAB and R) that we've developed and released.

News

Map of FLUXNET sites

Feng Wang publishes new article evaluating gridded climate products in U.S.

Friday, February 6, 2026
In a new article in Environmental Research Letters, ECH2O Lab personnel show that annual tree growth models are not sensitive to large differences in precipitation among gridded meteorological datasets.
conceptual diagram

Seasonal stabilization effects slowed the greening of the Northern Hemisphere over the last two decades

Friday, July 11, 2025
In a new article in Nature Communications, Wen Zhang, Matt Dannenberg, and colleagues show that seasonal feedbacks slowed the rate of autumn vegetation greening of the Northern Hemisphere.
study area and precipitation anomalies

Feng Wang publishes new article on precipitation variability in the Qinghai-Tibet Plateau

Friday, June 13, 2025
In a new article in Geophysical Research Letters, Wang et al. use a millennial tree-ring reconstruction and climate simulations to show that recent humidification of the Qinghai-Tibet Plateau is exceptional and that wet-to-dry transitions are unprecedented over the past millennium.