Chengli Qi
YOU?
Author Swipe
View article: Geostationary observations of atmospheric ammonia over East Asia: spatio-temporal variations revealed by three years of FY-4B/GIIRS measurements
Geostationary observations of atmospheric ammonia over East Asia: spatio-temporal variations revealed by three years of FY-4B/GIIRS measurements Open
Satellite observations play a crucial role in quantifying ammonia sources by capturing large-scale variations of atmospheric NH3 concentrations. As the world's first geostationary hyperspectral infrared sounder, the Geostationary Interfero…
View article: A channel selection methodology for enhancing volcanic SO <sub>2</sub> monitoring using FY-3E/HIRAS-II hyperspectral data
A channel selection methodology for enhancing volcanic SO <sub>2</sub> monitoring using FY-3E/HIRAS-II hyperspectral data Open
The Hyperspectral Infrared Atmospheric Sounder Type II (HIRAS-II) aboard the Fengyun 3E (FY-3E) satellite provides valuable data on the vertical distribution of atmospheric states. However, effectively extracting quantitative atmospheric i…
View article: Observing the Diurnal Variation of Atmospheric Ozone From the Geostationary Interferometric Infrared Sounder (GIIRS) Over East Asia
Observing the Diurnal Variation of Atmospheric Ozone From the Geostationary Interferometric Infrared Sounder (GIIRS) Over East Asia Open
Ozone is an important atmospheric constituent, exerting a pivotal influence on atmospheric chemistry, air quality, and climate change. The monitoring of its distribution and variation is crucial for advancing our understanding of ozone dev…
View article: Observing volcanic SO2 from a constellation of FengYun hyperspectral infrared sounders
Observing volcanic SO2 from a constellation of FengYun hyperspectral infrared sounders Open
Sulfur dioxide (SO2) from volcanic eruptions can have a significant impact on atmospheric chemistry and climate, and pose a threat to aviation. Satellite observations provide a unique opportunity to track the spatial distribution, vertical…
View article: Atmospheric composition from the Geostationary Interferometric Infrared Sounder (GIIRS) on board FengYun satellite: First two years of observations
Atmospheric composition from the Geostationary Interferometric Infrared Sounder (GIIRS) on board FengYun satellite: First two years of observations Open
The Geostationary Interferometric Infrared Sounder (GIIRS) on board China’s FengYun-4 satellite series provides a unique opportunity to monitor the tropospheric composition over Asia using hyperspectral infrared observations from a g…
View article: Using the FY-3E satellite hyperspectral infrared atmospheric sounder to quantitatively monitor volcanic SO <sub>2</sub>
Using the FY-3E satellite hyperspectral infrared atmospheric sounder to quantitatively monitor volcanic SO <sub>2</sub> Open
The Hyperspectral Infrared Atmospheric Sounder Type II (HIRAS-II) aboard the Fengyun 3E (FY-3E) satellite provides valuable data on the vertical distribution of atmospheric states. However, effectively extracting quantitative atmospheric i…
View article: Observing a Volatile Organic Compound From a Geostationary Infrared Sounder: HCOOH From FengYun‐4B/GIIRS
Observing a Volatile Organic Compound From a Geostationary Infrared Sounder: HCOOH From FengYun‐4B/GIIRS Open
Formic acid (HCOOH) is one of the most abundant volatile organic compounds (VOCs) in the Earth's atmosphere and an important source of atmospheric acidity. Here we present the first retrieval of HCOOH from a geostationary orbit using obser…
View article: Observing a Volatile Organic Compound from a Geostationary Infrared Sounder: HCOOH from FengYun-4B/GIIRS
Observing a Volatile Organic Compound from a Geostationary Infrared Sounder: HCOOH from FengYun-4B/GIIRS Open
Formic acid (HCOOH) is one of the most abundant volatile organic compounds (VOCs) in the Earth’s atmosphere and an important source of atmospheric acidity. Here we present the first retrieval of HCOOH from a geostationary orbit using obser…
View article: Observing a Volatile Organic Compound from a Geostationary Infrared Sounder: HCOOH from FengYun-4B/GIIRS
Observing a Volatile Organic Compound from a Geostationary Infrared Sounder: HCOOH from FengYun-4B/GIIRS Open
Formic acid (HCOOH) is one of the most abundant volatile organic compounds (VOCs) in Earth’s atmosphere and an important source of atmospheric acidity. Satellite observations play an indispensable role in improving our understanding …
View article: Optimal estimation retrieval of tropospheric ammonia from the Geostationary Interferometric Infrared Sounder on board FengYun-4B
Optimal estimation retrieval of tropospheric ammonia from the Geostationary Interferometric Infrared Sounder on board FengYun-4B Open
Atmospheric ammonia (NH3) is a reactive nitrogen compound that pollutes our environment and threatens public health. Monitoring the spatial and temporal variations is important for quantifying its emissions and depositions and evaluating t…
View article: An Illustration of FY-3E GNOS-R for Global Soil Moisture Monitoring
An Illustration of FY-3E GNOS-R for Global Soil Moisture Monitoring Open
An effective soil moisture retrieval method for FY-3E (Fengyun-3E) GNOS-R (GNSS occultation sounder II-reflectometry) is developed in this paper. Here, the LAGRS model, which is totally oriented for GNOS-R, is employed to estimate vegetati…
View article: Diurnal carbon monoxide observed from a geostationary infrared hyperspectral sounder: first result from GIIRS on board FengYun-4B
Diurnal carbon monoxide observed from a geostationary infrared hyperspectral sounder: first result from GIIRS on board FengYun-4B Open
The Geostationary Interferometric Infrared Sounder (GIIRS) on board FengYun-4 series satellites is the world's first geostationary hyperspectral infrared sounder. With hyperspectral measurement collected from a geostationary orbit covering…
View article: Observing Tropospheric Carbon Monoxide and Ammonia from the Geostationary Interferometric Infrared Sounder (GIIRS) onboard FengYun-4B
Observing Tropospheric Carbon Monoxide and Ammonia from the Geostationary Interferometric Infrared Sounder (GIIRS) onboard FengYun-4B Open
The Geostationary Interferometric Infrared Sounder (GIIRS) onboard FengYun-4 series satellites is the world’s first geostationary hyperspectral infrared sounder. With hyperspectral measurement covering the carbon monoxide (CO) and am…
View article: Progress of reprocessed long-term data records from Fengyun satellites
Progress of reprocessed long-term data records from Fengyun satellites Open
NSMC/CMA has been continuously pushing forward the reprocessing of Fengyun series dataset for better quality, especially L1 product. A comprehensive Fengyun historical data rescue and reprocessing task has been completed. At present, the e…
View article: Comment on amt-2023-12
Comment on amt-2023-12 Open
Abstract. Atmospheric ammonia (NH3) is a reactive nitrogen compound that pollutes our environment and threatens public health. Monitoring the spatial and temporal variations is important for quantifying its emissions and depositions and ev…
View article: Comment on amt-2023-12
Comment on amt-2023-12 Open
Abstract. Atmospheric ammonia (NH3) is a reactive nitrogen compound that pollutes our environment and threatens public health. Monitoring the spatial and temporal variations is important for quantifying its emissions and depositions and ev…
View article: Optimal estimation retrieval of tropospheric ammonia from the Geostationary Interferometric Infrared Sounder onboard FengYun-4B
Optimal estimation retrieval of tropospheric ammonia from the Geostationary Interferometric Infrared Sounder onboard FengYun-4B Open
Atmospheric ammonia (NH3) is a reactive nitrogen compound that pollutes our environment and threatens public health. Monitoring the spatial and temporal variations is important for quantifying its emissions and depositions and evaluating t…
View article: Construction and validation of FY-3C/VIRR infrared window channel refinement re-calibration model
Construction and validation of FY-3C/VIRR infrared window channel refinement re-calibration model Open
é£äºä¸å·å¯è§å 红å¤æ«æè¾å°è®¡ï¼FY-3/VIRRï¼èª2008å¹´FY-3Aåå°ä»¥æ¥ï¼å¨è½¨æä¾äºåä½å¹´ç对å°è§æµæ°æ®ãè¿äºæ°æ®å¯¹äºå¤§æ°ãå°è¡¨åç¯å¢äº§ååæ¼ã天æ°åæ°åååç ç©¶å ·æéè¦æä¹ã…
View article: Overview of historical data retrospective calibration for space-borne optical payloads
Overview of historical data retrospective calibration for space-borne optical payloads Open
ç»è¿ä¸åå¤å¹´åªåï¼ä¸å½æ°è±¡ãéå°ãæµ·æ´ãç¯å¢åç¾æ座çå·²ç»å½¢æäºç³»ååãä¸å¡ååå±çæå¿ï¼å½äº§å¤ç³»åé¥æå«æ积累äºè¾é¿æ¶é´è¿ç»è§æµèµæï¼è¿ä¸ºæ°åååç 究åç¯å¢å…
View article: Comment on amt-2022-305
Comment on amt-2022-305 Open
Abstract. The Geostationary Interferometric Infrared Sounder (GIIRS) onboard FengYun-4 series satellites is the world’s first geostationary hyperspectral infrared sounder. With hyperspectral measurement covering the carbon monoxide (CO) ab…
View article: Comment on amt-2022-305
Comment on amt-2022-305 Open
Abstract. The Geostationary Interferometric Infrared Sounder (GIIRS) onboard FengYun-4 series satellites is the world’s first geostationary hyperspectral infrared sounder. With hyperspectral measurement covering the carbon monoxide (CO) ab…
View article: Comment on amt-2022-305
Comment on amt-2022-305 Open
Abstract. The Geostationary Interferometric Infrared Sounder (GIIRS) onboard FengYun-4 series satellites is the world’s first geostationary hyperspectral infrared sounder. With hyperspectral measurement covering the carbon monoxide (CO) ab…
View article: Diurnal carbon monoxide observed from a geostationary infrared hyperspectral sounder: First result from GIIRS onboard FY-4B
Diurnal carbon monoxide observed from a geostationary infrared hyperspectral sounder: First result from GIIRS onboard FY-4B Open
The Geostationary Interferometric Infrared Sounder (GIIRS) onboard FengYun-4 series satellites is the world’s first geostationary hyperspectral infrared sounder. With hyperspectral measurement covering the carbon monoxide (CO) absorption w…
View article: FY-3E GNOS-R: a new illustration of global soil moisture monitoring
FY-3E GNOS-R: a new illustration of global soil moisture monitoring Open
The Fengyun-3E (FY-3E), which is the first early-morning-orbit meteorological satellite, was launched by China on July 10, 2021. One of its 11 payloads is the GNSS Occultation Sounder II (GNOS-II), which is a combination of Global Navigati…
View article: Evaluation of FY-3E/HIRAS-II Radiometric Calibration Accuracy Based on OMB Analysis
Evaluation of FY-3E/HIRAS-II Radiometric Calibration Accuracy Based on OMB Analysis Open
Before infrared hyperspectral data are used in satellite data assimilation systems or retrieval systems, the quantitative analysis of data deviation is necessary. Based on RTTOV’s (Radiative Transfer for TOVS) simulation data of FY-3E/HIRA…
View article: FY-3C MWHTS observed brightness temperature quality score based on the multi-source telemetry parameter quality control
FY-3C MWHTS observed brightness temperature quality score based on the multi-source telemetry parameter quality control Open
微波湿温æ¢æµä»ªï¼MWHTSï¼æ¯ä¸å½ç¬¬äºä»£æ轨æ°è±¡å«æé£äºä¸å·Cæï¼FY-3Cï¼ç主è¦ä¼ æå¨ä¹ä¸ï¼å ¶è§æµèµæçåååå°å½å å¤ç§å¦å®¶ç广æ³å ³æ³¨ãå«æè§æµèµæç精度å稳å®æ§æ¯å³å®å ¶…