Evaluation of version 3.0B of the BEHR OMI NO2 product

Joshua L Laughner; Qindan Zhu; Ronald C. Cohen

doi:10.5194/amt-12-129-2019

Evaluation of version 3.0B of the BEHR OMI NO2 product

Joshua L Laughner
, Qindan Zhu
, Ronald C. Cohen

University of California at Berkeley

Research output: Contribution to journal › Article › peer-review

25 Scopus citations

Abstract

Version 3.0B of the Berkeley High Resolution (BEHR) Ozone Monitoring Instrument (OMI) NO2 product is designed to accurately retrieve daily variation in the highspatial- resolution mapping of tropospheric column NO2 over continental North America between 25 and 50 N. To assess the product, we compare against in situ aircraft profiles and Pandora vertical column densities (VCDs). We also compare the WRF-Chem simulation used to generate the a priori NO2 profiles against observations. We find that using daily NO2 profiles improves the VCDs retrieved in urban areas relative to low-resolution or monthly a priori NO2 profiles by amounts that are large compared to current uncertainties in NOx emissions and chemistry (of the order of 10% to 30 %). Based on this analysis, we offer suggestions to consider when designing retrieval algorithms and validation procedures for upcoming geostationary satellites.

Original language	English
Pages (from-to)	128-146
Number of pages	19
Journal	Atmospheric Measurement Techniques
Volume	12
Issue number	1
DOIs	https://doi.org/10.5194/amt-12-129-2019
State	Published - Jan 10 2019
Externally published	Yes

Access to Document

10.5194/amt-12-129-2019

Cite this

@article{0b8388ff73e8467982b43af1f378c1ba,

title = "Evaluation of version 3.0B of the BEHR OMI NO2 product",

abstract = "Version 3.0B of the Berkeley High Resolution (BEHR) Ozone Monitoring Instrument (OMI) NO2 product is designed to accurately retrieve daily variation in the highspatial- resolution mapping of tropospheric column NO2 over continental North America between 25 and 50 N. To assess the product, we compare against in situ aircraft profiles and Pandora vertical column densities (VCDs). We also compare the WRF-Chem simulation used to generate the a priori NO2 profiles against observations. We find that using daily NO2 profiles improves the VCDs retrieved in urban areas relative to low-resolution or monthly a priori NO2 profiles by amounts that are large compared to current uncertainties in NOx emissions and chemistry (of the order of 10\% to 30 \%). Based on this analysis, we offer suggestions to consider when designing retrieval algorithms and validation procedures for upcoming geostationary satellites.",

author = "\{L Laughner\}, Joshua and Qindan Zhu and Cohen, \{Ronald C.\}",

note = "Publisher Copyright: {\textcopyright} Author(s) 2019. This work is distributed under the Creative Commons Attribution 4.0 License.",

year = "2019",

month = jan,

day = "10",

doi = "10.5194/amt-12-129-2019",

language = "English",

volume = "12",

pages = "128--146",

journal = "Atmospheric Measurement Techniques",

issn = "1867-1381",

publisher = "Copernicus Publications",

number = "1",

}

TY - JOUR

T1 - Evaluation of version 3.0B of the BEHR OMI NO2 product

AU - L Laughner, Joshua

AU - Zhu, Qindan

AU - Cohen, Ronald C.

N1 - Publisher Copyright: © Author(s) 2019. This work is distributed under the Creative Commons Attribution 4.0 License.

PY - 2019/1/10

Y1 - 2019/1/10

N2 - Version 3.0B of the Berkeley High Resolution (BEHR) Ozone Monitoring Instrument (OMI) NO2 product is designed to accurately retrieve daily variation in the highspatial- resolution mapping of tropospheric column NO2 over continental North America between 25 and 50 N. To assess the product, we compare against in situ aircraft profiles and Pandora vertical column densities (VCDs). We also compare the WRF-Chem simulation used to generate the a priori NO2 profiles against observations. We find that using daily NO2 profiles improves the VCDs retrieved in urban areas relative to low-resolution or monthly a priori NO2 profiles by amounts that are large compared to current uncertainties in NOx emissions and chemistry (of the order of 10% to 30 %). Based on this analysis, we offer suggestions to consider when designing retrieval algorithms and validation procedures for upcoming geostationary satellites.

AB - Version 3.0B of the Berkeley High Resolution (BEHR) Ozone Monitoring Instrument (OMI) NO2 product is designed to accurately retrieve daily variation in the highspatial- resolution mapping of tropospheric column NO2 over continental North America between 25 and 50 N. To assess the product, we compare against in situ aircraft profiles and Pandora vertical column densities (VCDs). We also compare the WRF-Chem simulation used to generate the a priori NO2 profiles against observations. We find that using daily NO2 profiles improves the VCDs retrieved in urban areas relative to low-resolution or monthly a priori NO2 profiles by amounts that are large compared to current uncertainties in NOx emissions and chemistry (of the order of 10% to 30 %). Based on this analysis, we offer suggestions to consider when designing retrieval algorithms and validation procedures for upcoming geostationary satellites.

UR - https://www.scopus.com/pages/publications/85059910228

U2 - 10.5194/amt-12-129-2019

DO - 10.5194/amt-12-129-2019

M3 - Article

AN - SCOPUS:85059910228

SN - 1867-1381

VL - 12

SP - 128

EP - 146

JO - Atmospheric Measurement Techniques

JF - Atmospheric Measurement Techniques

IS - 1

ER -

Evaluation of version 3.0B of the BEHR OMI NO2 product

Abstract

Access to Document

Other files and links

Fingerprint

Cite this