Estimating anthropogenic CO2 emissions from satellite observations contributes to transparency in reporting. In this study, we proposed a method for calculating using Orbiting Carbon Observatory-2 (OCO-2) XCO2 (the column-averaged dry-air mole fraction) observations. We identified local plume enhancements on the OCO-2 track and retrieved through minimizing difference between enhancement simulated by Gaussian model based emission rates provided Open-Data Inventory Anthropogenic Dioxide...

Aerosol Optical Depth (AOD) is one of the most important parameters aerosol and a key physical quantity to characterize atmospheric turbidity air pollution. Accurate retrieval AOD great significance for quality assessment. However, spatial resolution currently widely used Moderate Resolution Imaging Spectroradiometer (MODIS) products too low meet application research environment at regional scale. In 2013, China launched Gaofen-1 (GF-1) satellite, which provides new idea retrieval. this...

The purpose of this study is to estimate the particulate matter (PM2.5 and PM10) in China using improved geographically temporally weighted regression (IGTWR) model Fengyun (FY-4A) aerosol optical depth (AOD) data. Based on IGTWR model, boundary layer height (BLH), relative humidity (RH), AOD, time, space, normalized difference vegetation index (NDVI) data are employed PM2.5 PM10. main processes as follows: firstly, feasibility AOD from FY-4A estimating PM10 mass concentrations were analysed...

The Advanced Geostationary Radiation Imager (AGRI) is one of the primary payloads aboard FY-4A geostationary meteorological satellite, which can provide high-frequency, wide coverage, and multiple spectral channel observations for China surrounding areas. There are currently few studies on aerosol optical depth (AOD) inversion from AGRI data. Based data, a new land AOD retrieval algorithm called band ratio library (BRL) was proposed in this study. monthly average surface reflectance...

Advanced Very High Resolution Radiometer (AVHRR) onboard National Oceanic and Atmospheric Administration (NOAA) satellites can provide over 40 years of global remote sensing observations, which be used to retrieve long-term aerosol optical depth (AOD). This is great significance the study climate change. In this paper, we proposed an algorithm jointly calculate AOD land surface properties from AVHRR observations. With assumptions that doesn't vary in adjacent space earth property two days,...

Due to the advantage of high spatial coverage, using satellite-retrieved aerosol optical depth (AOD) data estimate PM2.5 and PM10 mass concentrations is a current research priority. Statistical models are common method PM estimation currently, which do not require knowledge complex chemical physical interactions. However, statistical rely on station data, results in less accurate areas where missing. Hence, new hybrid model, with low dependency on-site was proposed for concentration...

Abstract The single scattering albedo (SSA) of aerosol particles is one the key variables that determine radiative forcing. Herein, an Algorithm for retrieval Single over Land (ASL) proposed application to full-disk data from advanced Himawari imager (AHI) sensor flying on board Himawari-8 satellite. In this algorithm, atmospheric transfer model known as USM (the top atmosphere reflectance sum Un-scattered, Single-scattered, and Multiple-scattered components) used calculate SSA instead...

It is very essential to resolve the issues of atmospheric ozone pollution and health impact evaluation about high spatial resolution accurate near-surface concentration. Nevertheless, existing remotely-sensed products could not meet demands monitoring. For this purpose, study using surface precursor (the nitrogen dioxide concentration formaldehyde concentration) data developed an improved geographically temporally weighted regression (IGTWR) method estimate This calculated a generalized...

Accurate near surface ozone concentration calculation with high spatial resolution data is very important to solve the problem of serious pollution and health impact assessment. However, existing remotely sensed products cannot meet requirements monitoring. In this study, O 3 (at 30 km resolution) was extracted from daily TROPOMI profile products. Meanwhile, study improved downscaling algorithm based on mutual information applied it mapping in China. Combined (with 5 obtained by using Light...

In this paper, surface-level ozone in China was estimated by using the source-sink analysis and machine learning model. By analyzing source sink of surface ozone, it is clear that mass concentration influenced background value, regional local chemical generation, deposition, removal Interregional transport comprehensively. Then, light gradient boosting (LGBM) model used to integrate various corresponding satellite-based variables, numerical model-based meteorological variables land obtain...

Aerosols playa significant role in earth-atmospheric radiant balance and global climate changes. FengYun-4A(FY-4A) is the first three-axis stabilized geostationary satellite China, Advanced Geosynchronous Radiation Imager (AGRI) one of four payloads onboard satellite. In fact, FY-4A AOD products not officially available so far, there are few researches on retrieval FY-4A. Therefore, AGRI data was used to develop a new algorithm for over land this paper. We MCD43C2 datasets obtain band...

This paper calculates the Air Quality Index (AQI) in Xuzhou from 2018 to 2020 and analyzes its annual monthly changes air quality determine month of severe pollution. Through AQI calculation interpolation analysis different locations Xuzhou, conditions regions are determined. HYSPLIT backward trajectory model, cluster masses December is carried out. Combined with PM2.5 concentration data released every hour by State Control Station, PSCF CWT methods used potential sources pollution regions....

Mining cities are an essential part of China's urban agglomerations, and as mining continue to develop, ecological environmental pollution has become a primary problem. In the present study, Aerosol Optical Depth (AOD) retrieval major agglomerations in China from Gaofen-1 satellite data. Then new hybrid model based on CTM (chemical transport model) Transport Model 5 (TM5) GTWR (Geographic Time-Weighted Regression is proposed for PM2.5 PM <inf xmlns:mml="http://www.w3.org/1998/Math/MathML"...

In this paper, PM2.5 and PM10 in mainland China were estimated by using the Geographically Temporally Weighted Regression model FY-4 AOD data. Based on GTWR model, PM was BLH, RH, time, space AOD. Taking June 2, 2019 as an example, feasibility of data estimating mass concentrations analyzed confirmed.

In this paper, through the analysis and comparison of three commonly used atmospheric environmental capacity estimation methods, we find that existing methods have many limitations in aspects data base factors considered. Taking Xuzhou City Jiangsu Province as an example, based on air pollution multi-source model, impact assessment primary pollutant simulation are carried out by using remote sensing data, ground monitoring station emission inventory meteorological data. addition, iterative...

The Advanced Himawari Imager (AHI) aboard the Himawari-8, a new generation of geostationary meteorological satellite, has high-frequency observation, which allows it to effectively capture atmospheric variations. In this paper, we have proposed an Improved Bi-angle Aerosol optical depth (AOD) retrieval Algorithm (IBAA) from AHI data. algorithm ignores aerosol effect at 2.3 μm and assumes that does not change within one hour. According property reflectivity ratio K two observations with...

Based on the data of air quality monitoring stations and high-resolution remote sensing product in Xuzhou City, atmospheric pollutants 2020 2021 were analyzed. The modified A-values method model simulation used to estimate remaining environmental capacity (RAEC) PM <inf xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">10</inf> xmlns:xlink="http://www.w3.org/1999/xlink">2.5</inf> Xuzhou, Jiangsu Province. results show that excessive are main problems...

Single scattering albedo (SSA) is an important parameter affecting the radiative forcing of aerosol. However, current SSA retrieval only relies on several typical aerosol models, limiting range variation. This study proposed a new algorithm, and comparison demonstrates algorithm has excellent ability to estimate in pollution over land.

In this paper, surface ozone in China were estimated by the Geographically and Temporally Weighted Regression model with its precursors AOD data. Based on GTWR model, was time, space, AOD. Taking August 1, 2022 as an example, it analyzed confirmed about feasibility of data estimating mass concentrations.

Aerosol Optical Depth (AOD), quantifying the amount of aerosol in atmosphere, is widely regarded as a crucial indicator for research on atmospheric physics and regional air quality. At present, inversion AOD from observation satellite remote sensing sensors has become main technology large-scale monitoring load. The Huaihai Economic Zone connecting belt two key areas governance (the Yangtze River Delta Beijing-Tianjin-Hebei region, China), it been suffering pollution many years few studies...

Remote sensing inversion of global PM <inf xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2.5</inf> is an important research topic. In the present study, Aerosol Optical Depth (AOD) dataset was established by four geostationary satellites to estimate concentrations using improved Geographic Time-Weighted Regression model (IGTWR) models. Then a hourly concentration obtained in May 2020. The estimated result for verified at ground stations with R 0.71...

The Greenhouse Gases Observing Satellite (GOSAT) is the world's first spacecraft to measure concentrations of CO <inf xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</inf> from space and it has high-precision hyperspectral atmospheric monitoring 2009. Several products, such as ACOS, NIES, OCFP SRFP products full physics retrieval algorithm, both provide XCO (the column-average dry-air mole fraction ) GOSAT. These have different characteristics...

Single scattering albedo (SSA) is an important parameter affecting the radiative forcing of aerosol. However, current SSA retrieval only relies on several typical aerosol models, limiting range variation. This study proposed a new parameterization scheme model, which optimized independent value into mixed combination three basic components, then constructed lookup table to obtain hourly from Advanced Himawari Image (AHI) sensor. The comparison encouraging retrieved results agree well with...