Sentences with phrase «atmospheric aerosols on climate»

While multiple studies have shown the Northern Hemisphere plays a stronger role than the Southern Hemisphere in transient climate change, this had not been included in calculations of the effect of atmospheric aerosols on climate sensitivity.

Not exact matches

And by carefully measuring and modeling the resulting changes in atmospheric composition, scientists could improve their estimate of how sensitive Earth's climate is to CO2, said lead author Joyce Penner, a professor of atmospheric science at the University of Michigan whose work focuses on improving global climate models and their ability to model the interplay between clouds and aerosol particles.

«Scientists have talked about Arctic melting and albedo decrease for nearly 50 years,» said Ramanathan, a distinguished professor of climate and atmospheric sciences at Scripps who has previously conducted similar research on the global dimming effects of aerosols.

ARO scientists monitor a range of atmospheric phenomena, from the influence of gases and aerosols on Earth's climate to the impact of pollutants in the atmosphere.

Sally, who was nominated by Dr. Beat Schmid, Associate Director, Atmospheric Sciences and Global Change Division, was honored for her exceptional contribution in the field of atmospheric science, particularly in her efforts to improve understanding of the radiative effect of clouds and aerosols on the Earth's atmosphere and their representation in climate models.

However, to make climate models more accurate, we are focused on developing a better understanding of the dynamics of organic aerosols formed from plant - based organic vapors and their interaction with aerosols emitted from human activities,» said Dr. Chen Song, a PNNL atmospheric scientist.

Because small - scale climate features, such as clouds and atmospheric aerosol particles, have a large impact on global climate, it's important to improve the methods used to represent those climate features in the models.

PNNL is using an integrative research approach that draws on our depth and breadth of capabilities in atmospheric chemistry, climate physics, modeling, and measurement to address critical scientific questions related to the role of aerosols in the climate system.

Vision PNNL will take a leadership role in the incorporation of aerosols into climate models, through integrative research on atmospheric aerosol interactions and through development of innovative instrumentation and measurement techniques.

The top priorities should be reducing uncertainties in climate sensitivity, getting a better understanding of the effect of climate change on atmospheric circulation (critical for understanding of regional climate change, changes in extremes) and reducing uncertainties in radiative forcing — particularly those associated with aerosols.

Solar activity impacts on climate are a fascinating topic, and encompass direct radiative processes, indirect effects via atmospheric chemistry and (potentially) aerosol formation effects.

It is my understanding that the uncertainties regarding climate sensitivity to a nominal 2XCO2 forcing is primarily a function of the uncertainties in (1) future atmospheric aerosol concentrations; both sulfate - type (cooling) and black carbon - type (warming), (2) feedbacks associated with aerosol effects on the properties of clouds (e.g. will cloud droplets become more reflective?)

Basic physical science considerations, exploratory climate modeling, and the impacts of volcanic aerosols on climate all suggest that SWCE could partially compensate for some effects — particularly net global warming — of increased atmospheric CO2.

Surely after decades of satellite measurements, countless field experiments, and numerous finescale modeling studies that have repeatedly highlighted basic deficiencies in the ability of comprehensive climate models to represent processes contributing to atmospheric aerosol forcing, it is time to give up on the fantasy that somehow their output can be accepted at face value.»

The focus of this physical climate model is on the role of aerosols, aerosol - cloud interactions, and atmospheric chemistry in climate variability and climate change.

Heterogeneous ice nucleation on atmospheric aerosols: a review of results from laboratory experiments / C. Hoose & O. Mohler Institute for Meteorology and Climate Research — Atmospheric Aerosol Research, Karlsruhe Institute of Technology, Karlsruhe, Germany / Published: 29 October 2012 Abstract: A small subset of the atmospheric aerosol population has the ability to induce ice formation at conditions under which ice would not form without them (heteroge - neous ice nucleAerosol Research, Karlsruhe Institute of Technology, Karlsruhe, Germany / Published: 29 October 2012 Abstract: A small subset of the atmospheric aerosol population has the ability to induce ice formation at conditions under which ice would not form without them (heteroge - neous ice nucleaerosol population has the ability to induce ice formation at conditions under which ice would not form without them (heteroge - neous ice nucleation).

«Scientists have talked about Arctic melting and albedo decrease for nearly 50 years,» said Ramanathan, a distinguished professor of climate and atmospheric sciences who has previously conducted similar research on the global dimming effects of aerosols.

Emissions scenarios were converted to projections of atmospheric GHG and aerosol concentrations, radiative forcing of the climate, effects on regional climate, and climatic effects on global sea level (IPCC, 2001a).

My research is focused on the climate effects of atmospheric aerosol particles and on broader interconnections within the climate system.