AOS Graduate Student Profile
Address: 108 Sayre Hall
Phone: (609) 258-1317
Email: gpersad at princeton.edu
Aerosols are one of the major stumbling blocks in predicting future climate change. Both their direct interaction with solar radiation and their indirect impact on radiation via modification of cloud properties give aerosols the potential to significantly alter the Earth's energy balance and hydrological cycle.
I am interested in synthesizing modeling and observational resources to provide a more comprehensive picture of the large-scale impacts of aerosols on climate, particularly their effects on precipitation. How have aerosols impacted the surface energy budget in the past, and how can we expect them to do so in the future? And what potential does this have to alter precipitation patterns? Also, how do these precipitation trends act to change the distribution of the very aerosols that may be affecting them? This is a predator-prey problem of global proportions!
I am also deeply interested in the liminal space between climate science and climate policy. How can scientists more effectively communicate their work to policymakers and the public? And what responsibility do scientists have to do so?
Some Recent Publications:
Persad, G., Y. Ming, and V. Ramaswamy, 2011: Tropical Tropospheric-Only Responses to Absorbing Aerosols. In revisions in Journal of Climate.
Ming, Y., V. Ramaswamy, and G. Persad, 2011: Two Opposing Effects of Absorbing Aerosols in Global-mean Precipitation. Geophysical Research Letters, 37, L13701, doi:10.1029/2010GL042895.