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microwave observations

The impact of land surface temperature on soil moisture anomaly detection from passive microwave observations

The impact of land surface temperature on soil moisture anomaly detection from passive microwave observations

... passive microwave observations have been used to retrieve soil moisture from the Earth’s ...frequency observations have the most sen- sitivity to soil moisture, therefore the current Soil Mois- ture ...

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Microwave observations of Uranus

Microwave observations of Uranus

... If the base level of the model is moved from 50 to 100 bar, zonal winds near the equator begin to be damped out by the time the cloud tops are reached, and to avoid disagreement with the[r] ...

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Mediterranean hurricanes: large-scale environment and convective and precipitating areas from satellite microwave observations

Mediterranean hurricanes: large-scale environment and convective and precipitating areas from satellite microwave observations

... The mesoscale system originated during the night be- tween 24 and 25 September on the lee side of the Alge- rian Atlas Mountains as an orographic cyclone (Fig. 2). Favourable conditions were further created by a ...

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Large amplitude oscillation of an erupting filament as seen in EUV, H-alpha and microwave observations

Large amplitude oscillation of an erupting filament as seen in EUV, H-alpha and microwave observations

... in observations is similar to those in simulations where the ejecta already lost their stable equilibrium (for comparison of observation and simulation, see, ...

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Towards variational retrieval of warm rain from passive microwave observations

Towards variational retrieval of warm rain from passive microwave observations

... Comparisons with space-borne and ground radar estimates are provided as a proof of concept, demonstrating that a passive-only variational retrieval can be sufficiently con- strained from non-raining through warm rain ...

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Monitoring soil wetness variations by means of satellite passive microwave observations: the HYDROPTIMET study cases

Monitoring soil wetness variations by means of satellite passive microwave observations: the HYDROPTIMET study cases

... use microwave data, thanks to the all-weather and all-time capability of these data, as well as to their high sensitivity to water content in the ...hand, microwave data are unfortunately highly affected by ...

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Simulation study for ground-based Ku-band microwave observations of ozone and hydroxyl in the polar middle atmosphere

Simulation study for ground-based Ku-band microwave observations of ozone and hydroxyl in the polar middle atmosphere

... Figure 12. Hydroxyl (OH) retrieval diagnostics for simulated 6 h observations of the OH 13.441 GHz emission line using a ground-based radiometer with vertical polarisation, 1 mK baseline noise level, 10 kHz ...

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Nordic Snow Radar Experiment

Nordic Snow Radar Experiment

... near-continuous observations of snow cover radar signatures in the boreal forest/taiga region using a tower-based configuration, supported by frequent in situ ...multi-frequency microwave radiometer ...

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The sensitivity of land emissivity estimates from AMSR E at C and X bands to surface properties

The sensitivity of land emissivity estimates from AMSR E at C and X bands to surface properties

... Abstract. Microwave observations at low frequencies ex- hibit more sensitivity to surface and subsurface properties with little interference from the ...passive microwave observations from the ...

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Spatiotemporal variability and decadal trends of snowmelt processes on Antarctic sea ice observed by satellite scatterometers

Spatiotemporal variability and decadal trends of snowmelt processes on Antarctic sea ice observed by satellite scatterometers

... We would like to point out that with perennial ice we de- scribe sea ice that survives at least one summer melt sea- son. It is important to note that this includes ice that is ini- tially first-year ice but experiences ...

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Case Study of Atmospheric Retrievals of MWHTS aboard FY 3C Satellite

Case Study of Atmospheric Retrievals of MWHTS aboard FY 3C Satellite

... radiometer observations are assimilated by WRF ...passive microwave observations from WRFDA ...satellite-based observations were matched between the Microwave Hu- midity and Temperature ...

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Error characterisation of global active and passive microwave soil moisture datasets

Error characterisation of global active and passive microwave soil moisture datasets

... The triple collocation technique is a promising method to es- timate the error structures of global soil moisture datasets. The errors retrieved in this study appear reasonable and the observed patterns can be explained ...

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Dimensionality reduction in Bayesian estimation algorithms

Dimensionality reduction in Bayesian estimation algorithms

... Starting with an idealized synthetic database that loosely re- sembles 3-channel passive microwave observations of pre- cipitation against a highly variable background (e.g., het- erogeneous land surfaces ...

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Comparison of satellite microwave backscattering (ASCAT) and visible/near-infrared reflectances (PARASOL) for the estimation of aeolian aerodynamic roughness length in arid and semi-arid regions

Comparison of satellite microwave backscattering (ASCAT) and visible/near-infrared reflectances (PARASOL) for the estimation of aeolian aerodynamic roughness length in arid and semi-arid regions

... Active microwave observations over the entire globe have been available since 1991, from the ERS scatterometer at ...make observations in two 500 km wide swaths on each side of the satellite ground ...

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The Moon as a photometric calibration standard for microwave sensors

The Moon as a photometric calibration standard for microwave sensors

... libration. Microwave sensors in space, however, also operate at wave- lengths for which the Earth’s atmosphere is ...frequency. Observations of the Moon carried out from an airplane flying in the ...

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Mixing layer height retrievals by multichannel microwave radiometer observations

Mixing layer height retrievals by multichannel microwave radiometer observations

... This paper demonstrates the potential for estimating MLH di- rectly from MWR Tb observations. The proposed approach is based on a multivariate linear regression trained with an a priori set of nearly colocated and ...

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SST Observations of the Agulhas and East Madagascar Retroflections by the TRMM Microwave Imager

SST Observations of the Agulhas and East Madagascar Retroflections by the TRMM Microwave Imager

... TRMM Microwave Imager (TMI) provides frequent observations of sea surface temperature through clouds, allowing us to monitor the evolution of these ...

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Observations in Respect of Real Time Temporal Cloaking/Uncloaking at Microwave Frequencies

Observations in Respect of Real Time Temporal Cloaking/Uncloaking at Microwave Frequencies

... final decoded data, the proposed system is superior to traditional secure communication systems for it could automatically dual-protect to the inserted data. Additionally, the dispersive delay line plays a core role ...

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Tropospheric column amount of ozone retrieved from SCIAMACHY limb–nadir-matching observations

Tropospheric column amount of ozone retrieved from SCIAMACHY limb–nadir-matching observations

... Waters, J. W., Froidevaux, L., Harwood, R. S., Jarnot, R. F., Pickett, H. M., Read, W. G., Siegel, P. H., Cofield, R. E., Filipiak, M. J., Flower, D. A., Holden, J. R., Lau, G. K., Livesey, N. J., Manney, G. L., ...

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Evaluation and Correction of Ground Based Microwave Radiometer Observations Based on NCEP FNL Data

Evaluation and Correction of Ground Based Microwave Radiometer Observations Based on NCEP FNL Data

... temperature observations and the ground-based micro- wave radiometer and forward calculations are far from the expected values, the radiometer should be suspected of not performing within its specification and ...

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