Jianping Mao
YOU?
Author Swipe
View article: Seasonal variation of total column formaldehyde, nitrogen dioxide, and ozone over various Pandora spectrometer sites with a comparison of OMI and diurnally varying DSCOVR-EPIC satellite data
Seasonal variation of total column formaldehyde, nitrogen dioxide, and ozone over various Pandora spectrometer sites with a comparison of OMI and diurnally varying DSCOVR-EPIC satellite data Open
Observations of trace gases, such as O3, HCHO, and NO2, and their seasonal dependence can be made using satellite and ground-based data from the Ozone Monitoring Instrument (OMI) satellite and Pandora ground-based instruments. Both operate…
View article: Validation of DSCOVR-EPIC total column O3 retrievals using ground-based Pandora as well as OMPS, OMI, and TEMPO satellite data
Validation of DSCOVR-EPIC total column O3 retrievals using ground-based Pandora as well as OMPS, OMI, and TEMPO satellite data Open
The Earth polychromatic imaging camera (EPIC) onboard the deep space climate observatory (DSCOVR) began obtaining fully illuminated Earth images across 10 wavelength bands on 6 July 2015. The ultraviolet bands 317, 325, 340, and 388 nm are…
View article: Seasonal Variation of Total Column Formaldehyde, Nitrogen Dioxide, and Ozone Over Various Pandora Spectrometer Sites with a Comparison of OMI and Diurnally Varying DSCOVR-EPIC Satellite Data
Seasonal Variation of Total Column Formaldehyde, Nitrogen Dioxide, and Ozone Over Various Pandora Spectrometer Sites with a Comparison of OMI and Diurnally Varying DSCOVR-EPIC Satellite Data Open
Both The OMI (Ozone Monitoring Instrument) satellite and the Pandora ground-based instruments operate with spectrometers that have similar characteristics in wavelength range and spectral resolution that enable them to retrieve total colum…
View article: Airborne lidar measurements of atmospheric CO <sub>2</sub> column concentrations to cloud tops made during the 2017 ASCENDS/ABoVE campaign
Airborne lidar measurements of atmospheric CO <sub>2</sub> column concentrations to cloud tops made during the 2017 ASCENDS/ABoVE campaign Open
We measured the column-averaged atmospheric CO2 mixing ratio (XCO2) to a variety of cloud tops with an airborne pulsed multi-wavelength integrated path differential absorption (IPDA) lidar during NASA's 2017 ASCENDS/ABoVE airborne campaign…
View article: Reply on RC1
Reply on RC1 Open
Abstract. We measured the column-averaged atmospheric CO2 mixing ratio (XCO2) to a variety of cloud tops with an airborne pulsed multi-wavelength integrated path differential absorption (IPDA) lidar during NASA’s 2017 ASCENDS/ABoVE field c…
View article: Reply on RC2
Reply on RC2 Open
Abstract. We measured the column-averaged atmospheric CO2 mixing ratio (XCO2) to a variety of cloud tops with an airborne pulsed multi-wavelength integrated path differential absorption (IPDA) lidar during NASA’s 2017 ASCENDS/ABoVE field c…
View article: Comment on amt-2023-174
Comment on amt-2023-174 Open
Abstract. We measured the column-averaged atmospheric CO2 mixing ratio (XCO2) to a variety of cloud tops with an airborne pulsed multi-wavelength integrated path differential absorption (IPDA) lidar during NASA’s 2017 ASCENDS/ABoVE field c…
View article: Comment on amt-2023-174
Comment on amt-2023-174 Open
Abstract. We measured the column-averaged atmospheric CO2 mixing ratio (XCO2) to a variety of cloud tops with an airborne pulsed multi-wavelength integrated path differential absorption (IPDA) lidar during NASA’s 2017 ASCENDS/ABoVE field c…
View article: Airborne Lidar Measurements of Atmospheric CO <sub>2</sub> Column Concentrations to Cloud Tops made during the 2017 ASCENDS/ABoVE Campaign
Airborne Lidar Measurements of Atmospheric CO <sub>2</sub> Column Concentrations to Cloud Tops made during the 2017 ASCENDS/ABoVE Campaign Open
We measured the column-averaged atmospheric CO2 mixing ratio (XCO2) to a variety of cloud tops with an airborne pulsed multi-wavelength integrated path differential absorption (IPDA) lidar during NASA’s 2017 ASCENDS/ABoVE field campaign. M…
View article: Attenuated atmospheric backscatter profiles measured by the CO <sub>2</sub> Sounder lidar in the 2017 ASCENDS/ABoVE airborne campaign
Attenuated atmospheric backscatter profiles measured by the CO <sub>2</sub> Sounder lidar in the 2017 ASCENDS/ABoVE airborne campaign Open
A series of attenuated atmospheric backscatter profiles were measured at 1572 nm by the CO2 Sounder lidar during the eight flights of the 2017 ASCENDS/ABoVE (Active Sensing of CO2 Emission over Nights, Days, and Seasons, Arctic Boreal Vuln…
View article: Comment on essd-2022-59
Comment on essd-2022-59 Open
Abstract. A series of attenuated atmospheric backscatter profiles were measured at 1572ânm by the CO2 Sounder lidar during the eight flights of the 2017 ASCENDS/ABoVE (Active Sensing of CO2 Emission over Nights, Days, and Seasons, Arctic…
View article: Attenuated atmospheric backscatter profiles measured by the CO <sub>2</sub> Sounder lidar in the 2017 ASCENDS/ABoVE airborne campaign
Attenuated atmospheric backscatter profiles measured by the CO <sub>2</sub> Sounder lidar in the 2017 ASCENDS/ABoVE airborne campaign Open
A series of attenuated atmospheric backscatter profiles were measured at 1572 nm by the CO2 Sounder lidar during the eight flights of the 2017 ASCENDS/ABoVE (Active Sensing of CO2 Emission over Nights, Days, & Seasons mission, Arctic B…
View article: Measuring Atmospheric CO <sub>2</sub> Enhancements From the 2017 British Columbia Wildfires Using a Lidar
Measuring Atmospheric CO <sub>2</sub> Enhancements From the 2017 British Columbia Wildfires Using a Lidar Open
During the summer 2017 ASCENDS/ABoVE airborne science campaign, the NASA Goddard CO 2 Sounder lidar overflew smoke plumes from wildfires in the British Columbia, Canada. In the flight path over Vancouver Island on 8 August 2017, the column…
View article: Retrieval algorithm for the column CO <sub>2</sub> mixing ratio from pulsed multi-wavelength lidar measurements
Retrieval algorithm for the column CO <sub>2</sub> mixing ratio from pulsed multi-wavelength lidar measurements Open
The retrieval algorithm for CO2 column mixing ratio from measurements of a pulsed multi-wavelength integrated path differential absorption (IPDA) lidar is described. The lidar samples the shape of the 1572.33 nm CO2 absorption line at mult…
View article: Cosmic Background
Cosmic Background Open
A possibility is that in cosmic background, primordial photon lattice where emerges a way to mass conservation, a photon was disturbed to create a spin then lead to its neighbors consecutively avalanching -- CMB -- into this a small ripple…
View article: Retrieval Algorithm for the Column CO <sub>2</sub> Mixing Ratio from Pulsed Multi-Wavelength Lidar Measurements
Retrieval Algorithm for the Column CO <sub>2</sub> Mixing Ratio from Pulsed Multi-Wavelength Lidar Measurements Open
The retrieval algorithm for the column mixing ratio of CO2 from the measurements of a pulsed multi-wavelength integrated path differential absorption (IPDA) lidar is described. The lidar samples the shape of the 1572.33 nm CO2 absorption l…
View article: The challenges of measuring methane from space with a lidar
The challenges of measuring methane from space with a lidar Open
The global and regional quantification of methane fluxes and identification of its sources and sinks has been highlighted as one of the goals of the NASA 2017 Earth Science Decadal Survey. Detecting methane from space and airborne platform…
View article: Potential improvements in global carbon flux estimates from a network of laser heterodyne radiometer measurements of column carbon dioxide
Potential improvements in global carbon flux estimates from a network of laser heterodyne radiometer measurements of column carbon dioxide Open
We present observing system simulation experiments (OSSEs) to evaluate the impact of a proposed network of ground-based miniaturized laser heterodyne radiometer (mini-LHR) instruments that measure atmospheric column-averaged carbon dioxide…
View article: A singular value decomposition framework for retrievals with vertical distribution information from greenhouse gas column absorption spectroscopy measurements
A singular value decomposition framework for retrievals with vertical distribution information from greenhouse gas column absorption spectroscopy measurements Open
We review the singular value decomposition (SVD) framework and use it for quantifying and discerning vertical information in greenhouse gas retrievals from column integrated absorption measurements. While the commonly used traditional Baye…
View article: Airborne measurements of CO <sub>2</sub> column concentrations made with a pulsed IPDA lidar using a multiple-wavelength-locked laser and HgCdTe APD detector
Airborne measurements of CO <sub>2</sub> column concentrations made with a pulsed IPDA lidar using a multiple-wavelength-locked laser and HgCdTe APD detector Open
Here we report on measurements made with an improved CO2 Sounder lidar during the ASCENDS 2014 and 2016 airborne campaigns. The changes made to the 2011 version of the lidar included incorporating a rapidly wavelength-tunable, step-locked …
View article: Potential improvements in global carbon flux estimates from anetwork of laser heterodyne radiometer measurements of columncarbon dioxide
Potential improvements in global carbon flux estimates from anetwork of laser heterodyne radiometer measurements of columncarbon dioxide Open
Abstract. We present Observing System Simulation Experiments (OSSEs) to evaluate the impact of a new network of ground-based miniaturized laser heterodyne radiometer (mini-LHR) instruments that measure atmospheric column-averaged carbon di…
View article: A Singular Value Decomposition framework for retrievals withvertical distribution information from greenhouse gas columnabsorption spectroscopy measurements
A Singular Value Decomposition framework for retrievals withvertical distribution information from greenhouse gas columnabsorption spectroscopy measurements Open
We review the singular value decomposition (SVD) framework and use it for quantifying and discerning vertical information in greenhouse gas retrievals from column integrated absorption measurements. While the commonly used traditional Baye…
View article: Measurement of atmospheric CO <sub>2</sub> column concentrations to cloud tops with a pulsed multi-wavelength airborne lidar
Measurement of atmospheric CO <sub>2</sub> column concentrations to cloud tops with a pulsed multi-wavelength airborne lidar Open
We have measured the column-averaged atmospheric CO2 mixing ratio to a variety of cloud tops by using an airborne pulsed multi-wavelength integrated-path differential absorption (IPDA) lidar. Airborne measurements were made at altitudes up…
View article: LIDAR technology for measuring trace gases on Mars and Earth
LIDAR technology for measuring trace gases on Mars and Earth Open
Trace gases and their isotopic ratios in planetary atmospheres offer important but subtle clues as to the origins of a planet's atmosphere, hydrology, geology, and potential for biology. An orbiting laser remote sensing instrument is capab…
View article: Airborne demonstration of atmospheric oxygen optical depth measurements with an integrated path differential absorption lidar
Airborne demonstration of atmospheric oxygen optical depth measurements with an integrated path differential absorption lidar Open
We report on an airborne demonstration of atmospheric oxygen (O2) optical depth measurements with an Integrated Path Differential Absorption (IPDA) lidar using a fiber-based laser transmitter and photon counting detectors. Accurate atmosph…
View article: Airborne Measurements of CO <sub>2</sub> Column Concentrations made with a Pulsed IPDA Lidar using a Multiple-Wavelength-Locked Laser and HgCdTe APD Detector
Airborne Measurements of CO <sub>2</sub> Column Concentrations made with a Pulsed IPDA Lidar using a Multiple-Wavelength-Locked Laser and HgCdTe APD Detector Open
Here we report on measurements made with an improved CO2 Sounder lidar during the ASCENDS 2014 and 2016 airborne campaigns. The improvements made to the 2011 version of the lidar instrument included incorporating a rapidly wavelength tunab…
View article: Methane optical density measurements with an integrated path differential absorption lidar from an airborne platform
Methane optical density measurements with an integrated path differential absorption lidar from an airborne platform Open
We report on an airborne demonstration of atmospheric methane (CH4) measurements with an Integrated Path Differential Absorption (IPDA) lidar using an optical parametric amplifier (OPA) and optical parametric oscillator (OPO) laser transmi…
View article: Measurement of Atmospheric CO <sub>2</sub> Column Concentrations to Cloud Tops with a Pulsed Multi-wavelength Airborne Lidar
Measurement of Atmospheric CO <sub>2</sub> Column Concentrations to Cloud Tops with a Pulsed Multi-wavelength Airborne Lidar Open
We have measured the column-averaged atmospheric CO2 mixing ratio to a variety of cloud tops by using an airborne pulsed multiple wavelengths integrated-path, differential absorption (IPDA) lidar. Airborne measurements were made at altitud…
View article: Methane measurements from space: technical challenges and solutions
Methane measurements from space: technical challenges and solutions Open
We report on an airborne demonstration of atmospheric methane (CH4) measurements with an Integrated Path Differential Absorption (IPDA) lidar using an optical parametric oscillator (OPO) and optical parametric amplifier (OPA) laser transmi…
View article: A 4 U laser heterodyne radiometer for methane (CH<sub>4</sub>) and carbon dioxide (CO<sub>2</sub>) measurements from an occultation-viewing CubeSat
A 4 U laser heterodyne radiometer for methane (CH<sub>4</sub>) and carbon dioxide (CO<sub>2</sub>) measurements from an occultation-viewing CubeSat Open
An experimental and kinetic modeling study of the autoignition of 3-methylheptane, a compound representative of the high molecular weight lightly branched alkanes found in large quantities in conventional and synthetic aviation kerosene an…