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The Effect of Particle Phase State on Multiphase Hydroxyl Radical (OH) Oxidation Kinetics and Products of Biomass Burning Aerosol
项目编号1446286
Daniel Knopf
项目主持机构SUNY at Stony Brook
开始日期2015-07-01
结束日期2018-06-30
英文摘要The climate of the North Atlantic profoundly impacts human populations and ecosystems in adjacent North America and Europe. It is anticipated that this project will help improve understanding of the nature and causes of decadal- and multi-decadal scale climate variability and its spatiotemporal patterns for the North Atlantic sector for modeling and predictive purposes. An enhanced understanding of internal climate system variability at this time scale is critical for decadal-scale prediction, as well as robust detection and attribution of the anthropogenic component of regional and global temperature trends.

This award will support early research experiences for students through an ongoing student internship program at Lamont Doherty Earth Observatory and co-operative and Guest student programs at Woods Hole Oceanographic Institution (WHOI).

The researchers will utilize the newest version of the Old World Drought Atlas (OWDA, representing Europe, North Africa, and the Middle East) and an updated and fully compatible version of the North Atlantic Drought Atlas (NADA) in analyses designed to identify coupled modes of summer hydro-climate variability between continents on opposite sides of the North Atlantic Basin.

This will be accomplished using multivariate tools including singular value decomposition (SVD) to identify simple time domain coupled modes. The existence of band-limited phase-coherent modes will also be investigated using the Multiple Taper Method with Singular Value Decomposition (MTM-SVD), a frequency domain technique.

The research team seeks to identify the likely causes of the identified coupled modes in the drought atlases by comparing the projection coefficients of those modes against fields of climate data covering the North Atlantic Basin and for more extensive global regions (e.g., sea-level pressure or SLP, sea surface temperature or SST). The research team will project the identified forcings back to medieval times using the extended records of summer hydro-climate provided by the OWDA and NADA to produce first-order estimates of how the identified climate forcings have varied and changed over the past millennium; and

Furthermore, the researchers will compare the millennium-length climate forcing projections of the OWDA/NADA coupled modes against relevant climate fields and their characteristic modes of variability from the suite of CMIP3/CMIP5 coupled climate model runs to determine the degree to which data and models agree.
学科分类08 - 地球科学;0805 - 大气科学
资助机构US-NSF
项目经费321512
项目类型Standard Grant
国家US
语种英语
文献类型项目
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/74161
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Daniel Knopf.The Effect of Particle Phase State on Multiphase Hydroxyl Radical (OH) Oxidation Kinetics and Products of Biomass Burning Aerosol.2015.
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