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Brian Cairns
Goddard Institute for Space Studies
183Publications
40H-index
6,706Citations
Publications 183
Newest
#1Daniel J. Miller (GSFC: Goddard Space Flight Center)H-Index: 1
#2Michal Segal-Rozenhaimer (TAU: Tel Aviv University)
Last.Andrzej P. Wasilewski (GISS: Goddard Institute for Space Studies)H-Index: 5
view all 8 authors...
Abstract. In this study we developed a neural network (NN) that can be used to relate a large dataset of multi-angular and multi-spectral polarimetric remote sensing observations to retrievals of cloud microphysical properties. This effort builds upon our previous work, which explored the sensitivity of neural network input, architecture, and other design requirements for this type of remote sensing problem. In particular this work introduces a framework for appropriately weighting total and pol...
#1Michael I. Mishchenko (GISS: Goddard Institute for Space Studies)H-Index: 71
#2Maxim A. YurkinH-Index: 20
Last.Brian Cairns (GISS: Goddard Institute for Space Studies)H-Index: 40
view all 3 authors...
We use the volume integral equation formulation to consider frequency-domain electromagnetic scattering of a damped inhomogeneous plane wave by a particle immersed in an absorbing medium. We show that if absorption in the host medium is sufficiently weak and the particle size parameter is sufficiently small, then (i) the resulting formalism (including the far-field and radiative-transfer regimes) is largely the same as in the case of a nonabsorbing host medium, and (ii) one can bypass explicit u...
#1Armin Sorooshian (UA: University of Arizona)H-Index: 39
#2Bruce E. Anderson (LaRC: Langley Research Center)H-Index: 42
Last.Paquita Zuidema (UM: University of Miami)H-Index: 30
view all 30 authors...
AbstractWe report on a multiyear set of airborne field campaigns (2005–16) off the California coast to examine aerosols, clouds, and meteorology, and how lessons learned tie into the upcoming NASA ...
#1Guangliang Fu (Netherlands Institute for Space Research)H-Index: 5
#2Otto P. Hasekamp (Netherlands Institute for Space Research)H-Index: 35
Last.Richard A. Ferrare (LaRC: Langley Research Center)H-Index: 37
view all 16 authors...
Abstract. In this paper, we present aerosol retrieval results from the ACEPOL (Aerosol Characterization from Polarimeter and Lidar) campaign, which was a joint initiative between NASA and SRON – Netherlands Institute for Space Research. The campaign took place in October-November 2017 over the western part of the United States. During ACEPOL six different instruments were deployed on the NASA ER-2 high altitude aircraft, including four Multi-Angle Polarimeters (MAPs): SPEX airborne, the Airborne...
#1Robert Frouin (SIO: Scripps Institution of Oceanography)H-Index: 38
#2Bryan A. Franz (GSFC: Goddard Space Flight Center)H-Index: 34
Last.Peng-Wang Zhai (UMBC: University of Maryland, Baltimore County)H-Index: 15
view all 26 authors...
The Plankton, Aerosol, Cloud, ocean Ecosystem (PACE) mission will carry into space the Ocean Color Instrument (OCI), a spectrometer measuring at 5 nm spectral resolution in the ultraviolet (UV) to near infrared (NIR) with additional spectral bands in the shortwave infrared (SWIR), and two multi-angle polarimeters that will overlap the OCI spectral range and spatial coverage. These instruments, especially when used in synergy, have great potential for improving estimates of water reflectance in t...
#1Lorraine A. Remer (UMBC: University of Maryland, Baltimore County)H-Index: 32
#2Kirk Knobelspiesse (GSFC: Goddard Space Flight Center)H-Index: 16
Last.Omar Torres (LaRC: Langley Research Center)H-Index: 4
view all 24 authors...
The Plankton, Aerosol, Clouds, ocean Ecosystem (PACE) mission presents new opportunities and new challenges in applying observations of two complementary multi-angle polarimeters for the space-based retrieval of global aerosol properties. Aerosol remote sensing from multi-angle radiometric-only observations enables aerosol characterization to a greater degree than single-view radiometers, as demonstrated by nearly two decades of heritage instruments. Adding polarimetry to the multi-angle observa...
#1Lorraine A. Remer (UMBC: University of Maryland, Baltimore County)H-Index: 32
#2Anthony B. Davis (California Institute of Technology)H-Index: 32
Last.Peng-Wang Zhai (UMBC: University of Maryland, Baltimore County)H-Index: 15
view all 23 authors...
NASA’s Plankton, Aerosol, Clouds, ocean Ecosystem (PACE) satellite mission is scheduled to launch in 2022, with the Ocean Color Instrument (OCI) on board. For the first time reflected sunlight from the Earth across a broad spectrum from the ultraviolet (UV: 350 nm) to the short wave infrared (SWIR: 2260 nm) will be measured from a single instrument at 1 km spatial resolution. While seven discrete bands will represent the SWIR, the spectrum from 350 nm to 890 nm will be continuously covered with ...
#1J. Martijn Smit (Netherlands Institute for Space Research)H-Index: 7
#2Jeroen H. H. Rietjens (Netherlands Institute for Space Research)H-Index: 9
Last.Otto P. Hasekamp (Netherlands Institute for Space Research)H-Index: 35
view all 12 authors...
To improve our understanding of the complex role of aerosols in the climate system and on air quality, measurements are needed of optical and microphysical aerosol. From many studies, it has become evident that a satellite-based multiangle, multiwavelength polarimeter will be essential to provide such measurements. Here, high accuracy (∼0.003) on the degree of linear polarization (DoLP) measurements is important to retrieve aerosol properties with an accuracy needed to advance our understanding ...
#1Kristina Pistone (ARC: Ames Research Center)H-Index: 3
#2Jens Redemann (OU: University of Oklahoma)H-Index: 9
Last.Feng Xu (California Institute of Technology)H-Index: 19
view all 22 authors...
Abstract. The total effect of aerosols, both directly and on cloud properties, remains the biggest source of uncertainty in anthropogenic radiative forcing on the climate. Correct characterization of intensive aerosol optical properties, particularly in conditions where absorbing aerosol is present, is a crucial factor in quantifying these effects. The southeast Atlantic Ocean (SEA), with seasonal biomass burning smoke plumes overlying and mixing with a persistent stratocumulus cloud deck, offer...
#1Meng Gao (UMBC: University of Maryland, Baltimore County)H-Index: 7
#2Peng-Wang Zhai (UMBC: University of Maryland, Baltimore County)H-Index: 15
Last.Alison Chase (UMaine: University of Maine)H-Index: 4
view all 9 authors...
Abstract. Ocean color remote sensing is a challenging task over coastal waters due to the complex optical properties of aerosols and hydrosols. In order to conduct accurate atmospheric correction, we previously implemented a joint retrieval algorithm, hereafter referred to as the Multi-Angular Polarimetric Ocean coLor (MAPOL) algorithm, to obtain the aerosol and water-leaving signal simultaneously. The MAPOL algorithm has been validated with synthetic data generated by a vector radiative transfe...
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