Tropospheric water and cloud ICE (TWICE) millimeter and submillimeter-wave radiometer instrument for 6U-Class nanosatellites

Reising, Steven C.; Kangaslahti, Pekka; Schlecht, Erich; Jiang, Jonathan H.; Bosch-Lluis, X.; Goncharenko, Yuriy; Padmanabhan, Sharmila; Cofield, R. E.; Brown, Shannon; Deal, W.R.; Zamora, Alexis; Leong, K.M.K.H.; Shih, Sean; Mei, Gerry

doi:10.1109/irmmw-thz.2016.7758396

Cited by 13 publications

(2 citation statements)

References 7 publications

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“…A recently developed Tropospheric Water and Cloud ICE (TWICE) passive CubeSat instrument (Kangaslahti et al, ; Ogut et al, ; Reising et al, ) shows the potential of miniaturized radiometers. TWICE uses three radiometer front ends to provide 14 channels with frequencies of 118, 183, 240, 310, 380, and 664 GHz.…”

Section: Introductionmentioning

confidence: 99%

Simulation of Remote Sensing of Clouds and Humidity From Space Using a Combined Platform of Radar and Multifrequency Microwave Radiometers

Jiang

Yue

et al. 2019

Earth and Space Science

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This study presents a simulated simultaneous retrieval of mass mean cloud ice particle effective diameter, ice water content, water vapor, and temperature profiles using a combination of a 94‐GHz cloud radar and multifrequency (118, 183, 240, 310, 380, 664, and 850 GHz) millimeter‐ and submillimeter‐wave radiometers from a space platform. The retrieval capabilities and uncertainties of the combined radar and microwave radiometers are quantified. We show that this combined active and passive remote sensing approach with SmallSat technologies addresses a gap in the current state‐of‐the‐art remote sensing measurements of ice cloud properties, especially deriving vertical profiles of ice cloud particle sizes in the atmosphere together with the ambient thermodynamic conditions. Therefore, this new approach can serve as a plausible candidate for future missions that target cloud and precipitation processes to improve weather forecasts and climate predictions.

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Section: Introductionmentioning

confidence: 99%

Simulation of Remote Sensing of Clouds and Humidity From Space Using a Combined Platform of Radar and Multifrequency Microwave Radiometers

Jiang

Yue

et al. 2019

Earth and Space Science

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“…New spaceborne instruments need to be developed to fill this measurement gap in ice particle size. This paper will demonstrate a retrieval simulation package for a compact multifrequency millimeter‐ and submillimeter‐wave length CubeSat instrument, Tropospheric Water and cloud ICE (TWICE) [ Reising et al ., ; Kangaslahti et al ., ] that can provide cloud ice particle size information between ~50 μm and ~1000 μm, together with IWC, atmospheric temperature ( T ), and H 2 O information simultaneously. TWICE has been developed under the 2013 Instrument Incubator Program funded by the NASA Earth Science Technology Office.…”

Section: Introductionmentioning

confidence: 99%

A simulation of ice cloud particle size, humidity, and temperature measurements from the TWICE CubeSat

Jiang

Yue

et al. 2017

Earth and Space Science

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This paper describes a forward radiative transfer model and retrieval system (FMRS) for the Tropospheric Water and cloud ICE (TWICE) CubeSat instrument. We use the FMRS to simulate radiances for the TWICE's 14 millimeter‐ and submillimeter‐wavelength channels for a tropical atmospheric state produced by a Weather Research and Forecasting model simulation. We also perform simultaneous retrievals of cloud ice particle size, ice water content (IWC), water vapor content (H 2 O), and temperature from the simulated TWICE radiances using the FMRS. We show that the TWICE instrument is capable of retrieving ice particle size in the range of ~50–1000 μm in mass mean effective diameter with approximately 50% uncertainty. The uncertainties of other retrievals from TWICE are about 1 K for temperature, 50% for IWC, and 20% for H 2 O.

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Command and data handling (C&DH) subsystem for the tropospheric water and cloud ice (twice) 6u-class satellite instrument

Bosch-Lluis

Reising

Goncharenko

et al. 2017

2017 IEEE International Geoscience and Remote Sensing Symposium (IGARSS)

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Tropospheric water and cloud ICE (TWICE) millimeter and submillimeter-wave radiometer instrument for 6U-Class nanosatellites

Cited by 13 publications

References 7 publications

Simulation of Remote Sensing of Clouds and Humidity From Space Using a Combined Platform of Radar and Multifrequency Microwave Radiometers

Simulation of Remote Sensing of Clouds and Humidity From Space Using a Combined Platform of Radar and Multifrequency Microwave Radiometers

A simulation of ice cloud particle size, humidity, and temperature measurements from the TWICE CubeSat

Command and data handling (C&DH) subsystem for the tropospheric water and cloud ice (twice) 6u-class satellite instrument

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