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173 Results Found

  • Article
  • Open Access
1,998 Views
18 Pages

26 June 2024

The commonly used reference atmospheric profiles for the validation of retrieved atmospheric profiles for microwave sounders have bias compared with real atmospheric profile values, which is detrimental to the validation of the retrieval. Microwave s...

  • Article
  • Open Access
1 Citations
1,883 Views
21 Pages

14 June 2022

Sea surface barometric pressure contributes to calculating the surface transmissivity so that the observations of Microwave Temperature Sounder-II channels with non-zero surface transmissivity contain the sea surface barometric pressure information....

  • Article
  • Open Access
12 Citations
3,886 Views
18 Pages

18 February 2020

One of the limitations in using spaceborne, microwave radiometer data for atmospheric remote sensing is the nonuniform spatial resolution. Remapping algorithms can be applied to the data to ameliorate this limitation. In this paper, two remapping alg...

  • Article
  • Open Access

14 January 2026

The measured antenna temperature of microwave radiometers differs from the true brightness temperature due to antenna pattern effects. Corrections for the antenna pattern effects constitutes an essential component of microwave radiometer calibration....

  • Article
  • Open Access
2,324 Views
16 Pages

4 March 2023

Among the monitored telemetry raw data record (RDR) parameters with the STAR Integrated/Validation System (ICVS), the Advanced Technology Microwave Sounder (ATMS) scan motor mechanism temperature is especially important because the instrument might b...

  • Article
  • Open Access
15 Citations
6,113 Views
23 Pages

An Uncertainty Quantified Fundamental Climate Data Record for Microwave Humidity Sounders

  • Imke Hans,
  • Martin Burgdorf,
  • Stefan A. Buehler,
  • Marc Prange,
  • Theresa Lang and
  • Viju O. John

6 March 2019

To date, there is no long-term, stable, and uncertainty-quantified dataset of upper tropospheric humidity (UTH) that can be used for climate research. As intermediate step towards the overall goal of constructing such a climate data record (CDR) of U...

  • Article
  • Open Access
4 Citations
2,481 Views
23 Pages

7 January 2022

Both the Microwave Humidity and Temperature Sounder (MWHTS) and the Microwave Temperature Sounder-II (MWTS-II) operate on the Fengyun-3 (FY-3) satellite platform, which provides an opportunity to retrieve the sea surface barometric pressure (SSP) wit...

  • Article
  • Open Access
3 Citations
4,585 Views
18 Pages

10 April 2019

Understanding the causes of inter-satellite biases in climate data records from observations of the Earth is crucial for constructing a consistent time series of the essential climate variables. In this article, we analyse the strong scan- and time-d...

  • Article
  • Open Access
14 Citations
2,796 Views
21 Pages

9 October 2022

In this study, the polarization characteristics of the newly launched Fengyun-3E (FY-3E) microwave sounding instruments are discussed, and its data quality is also assessed using one month of observation by the double-difference method. By comparison...

  • Article
  • Open Access
5 Citations
2,635 Views
21 Pages

A Cloud Detection Neural Network Approach for the Next Generation Microwave Sounder Aboard EPS MetOp-SG A1

  • Salvatore Larosa,
  • Domenico Cimini,
  • Donatello Gallucci,
  • Francesco Di Paola,
  • Saverio Teodosio Nilo,
  • Elisabetta Ricciardelli,
  • Ermann Ripepi and
  • Filomena Romano

28 March 2023

This work presents an algorithm based on a neural network (NN) for cloud detection to detect clouds and their thermodynamic phase using spectral observations from spaceborne microwave radiometers. A standalone cloud detection algorithm over the ocean...

  • Article
  • Open Access
26 Citations
4,376 Views
22 Pages

Reevaluating Mare Moscoviense And Its Vicinity Using Chang’e-2 Microwave Sounder Data

  • Zhiguo Meng,
  • Shengbo Chen,
  • Yongzhi Wang,
  • Tianxing Wang,
  • Zhanchuan Cai,
  • Yuanzhi Zhang,
  • Yongchun Zheng and
  • Shuo Hu

6 February 2020

Mare Moscoviense (148°E, 27°N) is one of the few large maria on the lunar farside, with the thinnest crust and a positive gravity anomaly. In this paper, the Chang’E-2 Microwave Sounder (CELMS) data was employed to study the microwave t...

  • Article
  • Open Access
10 Citations
2,386 Views
19 Pages

Performance Evaluation and Noise Mitigation of the FY-3E Microwave Humidity Sounder

  • Jiali Mao,
  • Zhengkun Qin,
  • Juan Li,
  • Yang Han and
  • Jing Huang

28 September 2022

Fengyun-3E, which is equipped with MicroWave Humidity Sounder 2 (MWHS-2) for detecting both temperature and humidity, is China’s latest polar orbiting meteorological satellite and China’s first satellite in early-morning orbit. The observ...

  • Technical Note
  • Open Access
22 Citations
3,297 Views
15 Pages

7 May 2022

The FY-3E satellite was successfully launched on 5 July 2021 and carries on board the Microwave Temperature Sounder-III (MWTS-III). In this study, the biases of MWTS-III data with respect to simulations are analyzed according to the instrument field...

  • Article
  • Open Access
15 Citations
3,042 Views
18 Pages

24 November 2022

FengYun-3E (FY-3E), the fifth satellite in China’s second-generation polar-orbiting satellite FY-3 series, was launched on 5 July 2021. FY-3E carries a third-generation microwave temperature sounder (MWTS-3). For the first time, this study demo...

  • Article
  • Open Access
10 Citations
3,494 Views
16 Pages

Evaluation of Assimilating FY-3C MWHS-2 Radiances Using the GSI Global Analysis System

  • Lipeng Jiang,
  • Chunxiang Shi,
  • Tao Zhang,
  • Yang Guo and
  • Shuang Yao

5 August 2020

The MicroWave Humidity Sounder 2 (MWHS-2) onboard the FY-3C satellite provides an extra important data source for atmospheric water vapor monitoring besides the Microwave Humidity Sounder (MHS) and the Advanced Technology Microwave Sounder (ATMS). Th...

  • Article
  • Open Access
1,585 Views
28 Pages

Estimating Uncertainties of Simulated MW Sounding Sensor Brightness Temperatures

  • Siena Iacovazzi,
  • Quanhua Liu,
  • Hu Yang,
  • James Fuentes and
  • Ninghai Sun

24 August 2023

Radiative transfer model (RTM) simulated microwave (MW) brightness temperatures (Tbs) are commonly used to monitor and evaluate space-based MW sensor-observed antenna temperature (Ta) data. Although these simulated Tbs are paramount to this data inte...

  • Article
  • Open Access
9 Citations
3,081 Views
19 Pages

11 February 2022

As an important component of the Earth system, precipitation plays a vital role in regional and global water cycles. Based on Microwave Humidity and Temperature Sounder (MWHTS) onboard FY-3D satellite, four machine learning models, random forest regr...

  • Article
  • Open Access
21 Citations
4,135 Views
20 Pages

8 July 2021

The shallow neural network (SNN) is a popular algorithm in atmospheric parameters retrieval from microwave remote sensing. However, the deep neural network (DNN) has a stronger nonlinear mapping capability compared to SNN and has great potential for...

  • Article
  • Open Access
12 Citations
2,797 Views
23 Pages

6 May 2020

The Fengyun (FY)-3C/D microwave temperature sounder-2 (MWTS-2) is similar to the Advanced Microwave Sounding Unit-A (AMSU-A), except it lacks two window channels located at 23.8 GHz and 31.4 GHz. This makes a clear-sky data determination challenging...

  • Article
  • Open Access
1,306 Views
17 Pages

Inter-Calibration and Limb Correction of FY-3D/E MWTS for Long-Term Gridded Microwave Brightness Temperature Dataset

  • Xinlu Xia,
  • Mingjian Zeng,
  • Xiaochun Luo,
  • Xiao Shi,
  • Rongsheng Jiang,
  • Xinyi Yuan,
  • Xiaozhuo Sang,
  • Fei Tang and
  • Xu Xu

5 January 2025

The Microwave Temperature Sounder-3 (MWTS-3) onboard the Chinese FengYun-3E (FY-3E) satellite is the third generation of Chinese microwave temperature sounder. Based on MWTS-2, the number of MWTS-3 channels has been increased from 13 to 17, which can...

  • Article
  • Open Access
15 Citations
4,753 Views
24 Pages

4 March 2020

National Oceanic and Atmospheric Administration (NOAA) operational Advanced Technology Microwave Sounder (ATMS) and Advanced Microwave Sounding Unit-A (AMSU-A) data used in numerical weather prediction and climate analysis are essential to protect li...

  • Article
  • Open Access
4 Citations
3,615 Views
16 Pages

24 December 2023

A U-Net algorithm was used to retrieve surface pressure and wind speed over the ocean within tropical cyclones (TCs) and their neighboring areas using NOAA-20 Advanced Technology Microwave Sounder (ATMS) reprocessed Sensor Data Record (SDR) brightnes...

  • Article
  • Open Access
4 Citations
1,837 Views
14 Pages

27 November 2023

The Microwave Limb Sounder (MLS) onboard the satellite Aura measures the temperature at 01:44 LST (after midnight) and at 13:44 LST after noon in the equatorial middle atmosphere. The signatures of the migrating solar diurnal tide (DW1) show up in th...

  • Article
  • Open Access
1,051 Views
23 Pages

2 January 2025

The statistical retrieval of atmospheric parameters will be greatly affected by the accuracy of the simulated brightness temperatures (BTs) derived from the radiative transfer model. However, it is challenging to further improve a physical-based radi...

  • Article
  • Open Access
12 Citations
3,792 Views
32 Pages

26 February 2021

Geostationary meteorological satellites can provide continuous observations of high-impact weather events with a high temporal and spatial resolution. Sounding the atmosphere using a microwave instrument onboard a geostationary satellite has aroused...

  • Article
  • Open Access
16 Citations
6,524 Views
20 Pages

3 December 2016

The microwave humidity and temperature sounder (MWHTS) on the Fengyun (FY)-3C satellite measures the outgoing radiance from the Earth’s surface and atmospheric constituents. MWHTS, which makes measurements in the isolated oxygen absorption line near...

  • Technical Note
  • Open Access
9 Citations
2,100 Views
15 Pages

Comparative Analysis of Striping Noise between FY-3E MWTS-3 and FY-3D MWTS-2

  • Jiali Mao,
  • Zhengkun Qin,
  • Juan Li,
  • Guiqing Liu and
  • Jing Huang

2 March 2023

On 5 July 2021, China launched the world’s first early morning orbit meteorological satellite, which was equipped with China’s newest-generation microwave instrument, the Microwave Temperature Sounder-3 (MWTS-3). MWTS-3 has 17 detection c...

  • Article
  • Open Access
6 Citations
3,044 Views
27 Pages

2 April 2023

The brightness temperature (TB) features extracted from Chang’e-2 Lunar Microwave Sounder (CELMS) data represent the passive microwave thermal emission (MTE) from the lunar regolith at different depths. However, there have been few studies asse...

  • Article
  • Open Access
16 Citations
5,060 Views
9 Pages

29 September 2017

To further verify the ozone profile reliability of satellite remote sensing for the ozone valley over the Tibetan Plateau in the core area of the South Asian high in summer, we validate the ozone products from the microwave limb sounder (MLS) onboard...

  • Communication
  • Open Access
1 Citations
2,577 Views
11 Pages

12 May 2024

In this study, we develop an Atmospheric Motion Vector (AMV)-based method for retrieving wind vectors using 183.31 GHz water-vapor absorption channels. The method involves tracking water-vapor features from image triplets and subsequently deriving wi...

  • Article
  • Open Access
14 Citations
2,818 Views
22 Pages

26 April 2023

With the Microwave Humidity Sounder-2 (MWHS-2)/Fengyun (FY)-3D in operation, this is the first study to evaluate the impact of a joint assimilation of MWHS-2 radiances under all-sky conditions from both the FY-3C and FY-3D satellites on typhoon forec...

  • Communication
  • Open Access
4 Citations
2,712 Views
12 Pages

16 February 2022

Nitrous oxide (N2O) is a potent and long-lived greenhouse gas that contributes to global warming with a global warming potential (GWP) 298 times that of carbon dioxide (CO2). In this paper, we analyzed the trend of N2O concentration in vertical layer...

  • Article
  • Open Access
3 Citations
2,614 Views
22 Pages

22 March 2022

A microwave radiometer onboard a geostationary satellite can provide for the continuous atmospheric sounding of rapidly evolving convective events even in the presence of clouds, which has aroused great research interest in recent decades. To approac...

  • Article
  • Open Access
6 Citations
2,700 Views
19 Pages

Impacts of Assimilating ATMS Radiances on Heavy Rainfall Forecast in RMAPS-ST

  • Yanhui Xie,
  • Min Chen,
  • Jiancheng Shi,
  • Shuiyong Fan,
  • Jing He and
  • Youjun Dou

3 April 2020

The Advanced Technology Microwave Sounder (ATMS) mounted on the Suomi National Polar-Orbiting Partnership (NPP) satellite can provide both temperature and humidity information for a weather prediction model. Based on the rapid-refresh multi-scale ana...

  • Article
  • Open Access
3 Citations
2,701 Views
18 Pages

10 June 2022

The observations from satellite microwave-sounding instruments have been widely used in weather and climate studies. Since the data resolution varies with frequency and satellite viewing angle, it is normally required that the measurements at each fr...

  • Article
  • Open Access
1,607 Views
15 Pages

21 June 2023

Precipitation in different phases has varying effects on runoff. However, monitoring surface snowfall poses a significant challenge, highlighting the importance of developing a snowfall detection algorithm. The objective of this study is develop a sn...

  • Technical Note
  • Open Access
4 Citations
2,692 Views
11 Pages

6 September 2022

This paper introduces the Method of Microwave Rainfall Normalization (MMN) for the Global Satellite Mapping of Precipitation (GSMaP) algorithm in its latest version (V05, algorithm version 8), released in December 2021. The method aims to mitigate th...

  • Article
  • Open Access
2 Citations
5,006 Views
11 Pages

Enhanced Resolution of Microwave Sounder Imagery through Fusion with Infrared Sensor Data

  • Igor Yanovsky,
  • Ali Behrangi,
  • Yixin Wen,
  • Mathias Schreier,
  • Van Dang and
  • Bjorn Lambrigtsen

27 October 2017

The images acquired by microwave sensors are blurry and have low resolution. On the other hand, the images obtained using infrared/visible sensors are often of higher resolution. In this paper, we develop a data fusion methodology and apply it to enh...

  • Article
  • Open Access
11 Citations
4,422 Views
20 Pages

9 July 2020

The Direct Broadcast Network (DBNet) provides near-real-time delivery of low-earth-orbiting (LEO) meteorological satellites to operational numerical weather prediction (NWP) systems that need short data cut-off times to allow for the assimilation of...

  • Article
  • Open Access
4 Citations
4,022 Views
18 Pages

27 July 2021

Atmospheric wind is an essential parameter in the global observing system. In this study, the water vapor field in Typhoon Lekima and its surrounding areas simulated by the Weather Research and Forecasting (WRF) model is utilized to track the atmosph...

  • Article
  • Open Access
14 Citations
2,705 Views
19 Pages

Validation of IMERG Oceanic Precipitation over Kwajalein

  • Jianxin Wang,
  • David B. Wolff,
  • Jackson Tan,
  • David A. Marks,
  • Jason L. Pippitt and
  • George J. Huffman

5 August 2022

The integrated Multi-satellitE Retrievals for GPM (IMERG) Version V05B and V06B precipitation products from the Global Precipitation Measurement (GPM) mission are validated against ground-based observations from the Kwajalein Polarimetric S-band Weat...

  • Review
  • Open Access
19 Citations
3,208 Views
18 Pages

13 February 2021

With the rapid advances and abundant observations from Chinese Fengyun-3 (FY-3) meteorological satellites, it is of great interest to summarize a decade of quality assessments of FY-3 observations. The topics covered are noise characterization, bias...

  • Article
  • Open Access
4 Citations
2,558 Views
12 Pages

1 November 2022

As a potential external calibration reference for spaceborne microwave sounding instruments, accurate and reliable information of lunar disk-averaged radiance at millimeter band are important and fundamental. Based on study for 2-D lunar scans of the...

  • Article
  • Open Access
6 Citations
2,895 Views
17 Pages

23 November 2020

Clouds affect the assimilation of microwave data from satellites and therefore the detection of clouds is important under both clear sky and cloudy conditions. We introduce a new cloud detection method based on the assimilation of data from the advan...

  • Article
  • Open Access
13 Citations
4,544 Views
14 Pages

2 April 2020

In recent years, the study of microwave radiation from the Moon’s surface has been of interest to the astronomy and remote sensing communities. Due to the stable geophysical properties of the Moon’s surface, microwave lunar radiation is h...

  • Article
  • Open Access
15 Citations
4,291 Views
24 Pages

Assessment of New Satellite Missions within the Framework of Numerical Weather Prediction

  • Stuart Newman,
  • Fabien Carminati,
  • Heather Lawrence,
  • Niels Bormann,
  • Kirsti Salonen and
  • William Bell

15 May 2020

Confidence in the use of Earth observations for monitoring essential climate variables (ECVs) relies on the validation of satellite calibration accuracy to within a well-defined uncertainty. The gap analysis for integrated atmospheric ECV climate mon...

  • Article
  • Open Access
5 Citations
3,746 Views
21 Pages

1 July 2022

The Special Sensor Microwave Imager Sounder (SSMIS) onboard the Defense Meteorological Satellite Program (DMSP) F16, launched on 18 October 2003, was the first conical-scanning radiometer to combine the Special Sensor Microwave/Imagers (SSM/I), Speci...

  • Article
  • Open Access
1 Citations
2,930 Views
11 Pages

18 September 2019

This study investigated the impacts of stratospheric temperatures and their variations on tropospheric short-term weather forecasting using the Advanced Research Weather Research and Forecasting (WRF-ARW) system with real satellite data assimilation....

  • Article
  • Open Access
45 Citations
3,761 Views
21 Pages

18 December 2020

The Integrated Multi-satellitE Retrievals for the Global Precipitation Measurement mission (IMERG) has been widely evaluated. However, most of these studies focus on the ultimate merged satellite-gauge precipitation estimate and neglect the valuable...

  • Article
  • Open Access
11 Citations
8,477 Views
40 Pages

PAU-SA: A Synthetic Aperture Interferometric Radiometer Test Bed for Potential Improvements in Future Missions

  • Isaac Ramos-Perez,
  • Adriano Camps,
  • Xavi Bosch-Lluis,
  • Nereida Rodriguez-Alvarez,
  • Enric Valencia-Domènech,
  • Hyuk Park,
  • Giuseppe Forte and
  • Merce Vall-llosera

7 June 2012

The Soil Moisture and Ocean Salinity (SMOS) mission is an Earth Explorer Opportunity mission from the European Space Agency (ESA). Its goal is to produce global maps of soil moisture and ocean salinity using the Microwave Imaging Radiometer by Apertu...

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