Filters








27 Hits in 16.0 sec

Retrieval of Atmospheric Water Vapor Density With Fine Spatial Resolution Using Three-Dimensional Tomographic Inversion of Microwave Brightness Temperatures Measured by a Network of Scanning Compact Radiometers

S. Padmanabhan, S.C. Reising, J. Vivekanandan, F. Iturbide-Sanchez
2009 IEEE Transactions on Geoscience and Remote Sensing  
Three-dimensional water vapor fields can be retrieved with improved spatial coverage from measurements obtained using a network of scanning microwave radiometers.  ...  Results using these network measurements demonstrated the first retrieval of the 3-D water vapor field in the troposphere at fine spatial and temporal resolutions.  ...  Fovell at the University of California, Los Angeles, for generously sharing his WRF model output and the Department of Energy's Atmospheric Radiation Measurement Southern Great Plains site personnel for  ... 
doi:10.1109/tgrs.2009.2031107 fatcat:novuq5vudzfird4kdaatx5gn2i

Three-Dimensional Humidity Retrieval Using a Network of Compact Microwave Radiometers to Correct for Variations in Wet Tropospheric Path Delay in Spaceborne Interferometric SAR Imagery

Swaroop Sahoo, Steven C. Reising, Sharmila Padmanabhan, Jothiram Vivekanandan, Flavio Iturbide-Sanchez, Nazzareno Pierdicca, Emanuela Pichelli, Domenico Cimini
2011 IEEE Transactions on Geoscience and Remote Sensing  
One of the largest sources of uncertainty in estimates of tropospheric path delay is the spatial and temporal variability of water vapor density, which currently limits the quality of InSAR products.  ...  However, if there is a sudden deformation of the Earth's surface, the detection of which is one of the principal objectives of InSAR measurements over land, the effect of water vapor variations cannot  ...  RETRIEVAL OF 3-D WATER VAPOR DENSITY Three-dimensional water vapor density is retrieved from the brightness temperatures measured by the CMR-H network using algebraic reconstruction tomography, optimal  ... 
doi:10.1109/tgrs.2011.2119400 fatcat:6hqdewglibdkjgpil4u4wodmam

Ground, Proximal and Satellite Remote Sensing of Soil Moisture

Ebrahim Babaeian, Morteza Sadeghi, Scott B. Jones, Carsten Montzka, Harry Vereecken, Markus Tuller
2019 Reviews of Geophysics  
Because of the importance and wide-ranging applicability of highly variable spatial and temporal SM information that links the water, energy, and carbon cycles, significant efforts and resources have been  ...  Despite the impressive progress over the last decade, there are still many opportunities and needs to, for example, improve SM retrieval from remotely sensed optical, thermal, and microwave data and opportunities  ...  The authors declare that there is no conflict of interest.  ... 
doi:10.1029/2018rg000618 fatcat:hcfa2uqiz5ffnf7o3fijc6rnwu

REFRACTT 2006

Rita D. Roberts, Frédéric Fabry, Patrick C. Kennedy, Eric Nelson, James W. Wilson, Nancy Rehak, Jason Fritz, V. Chandrasekar, John Braun, Juanzhen Sun, Scott Ellis, Steven Reising (+5 others)
2008 Bulletin of The American Meteorological Society - (BAMS)  
Moisture measurements can be retrieved over a higher spatial resolution from satellite data [e.g.; Moderate Resolution Imaging Spectroradiometer (MODIS) with 0.25-1-k m resolution], but lack the high frequency  ...  S everal national study groups (National Research Council 1998; Emanuel et al. 1995; Dabberdt and Schlatter 1996) have suggested that the lack of detailed, high-resolution water vapor measurements in the  ...  Lara Ziady did a phenomenal job finalizing the figures. ShinJu Park provided an early review of the manuscript. Raja Sengupta produced an earlier version of Fig. 10 .  ... 
doi:10.1175/2008bams2412.1 fatcat:3x2w5c6v3vex5kcaabqb4xotta

A review of the remote sensing of lower tropospheric thermodynamic profiles and its indispensable role for the understanding and the simulation of water and energy cycles

Volker Wulfmeyer, R. Michael Hardesty, David D. Turner, Andreas Behrendt, Maria P. Cadeddu, Paolo Di Girolamo, Peter Schlüssel, Joël Van Baelen, Florian Zus
2015 Reviews of Geophysics  
spectroscopy, the global navigation satellite system, as well as water vapor and temperature Raman lidar and water vapor differential absorption lidar.  ...  A methodological analysis and demonstration of measurement capabilities with respect to bias and precision is executed both for passive and active remote sensing including passive infrared and microwave  ...  The success in answering these questions is strongly related to our understanding of key processes influenced by the three-dimensional (3-D) distributions of atmospheric water vapor (WV) and temperature  ... 
doi:10.1002/2014rg000476 fatcat:xn6kjt3ccfemdbbu75lfyubo6i

2021 Index IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing Vol. 14

2021 IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing  
The primary entry includes the coauthors' names, the title of the paper or other item, and its location, specified by the publication abbreviation, year, month, and inclusive pagination.  ...  ., +, JSTARS 2021 8730-8743 Water Vapor Retrieval Using Commercial Microwave Links Based on the LSTM Network.  ...  ., +, JSTARS 2021 2070-2086 Water Vapor Retrieval Using Commercial Microwave Links Based on the LSTM Network.  ... 
doi:10.1109/jstars.2022.3143012 fatcat:dnetkulbyvdyne7zxlblmek2qy

2019 Index IEEE Transactions on Geoscience and Remote Sensing Vol. 57

2019 IEEE Transactions on Geoscience and Remote Sensing  
B., Dong, X., and Li, Y., Geosynchronous SAR Tomography: Theory and First Experimental Verification Using Beidou IGSO Satellite; TGRS Sept. 2019 6591-6607 Hu, F., Wu, J., Chang, L., and Hanssen, R.F  ...  ., Insect Biological Parameter Estimation Based on the Invariant Target Parameters of the Scattering Matrix; TGRS Aug. 2019 6212-6225 Hu, C., see Zhang, M., TGRS Sept. 2019 6666-6674 Hu, C., Zhang,  ...  ., +, TGRS April 2019 2277-2289 Using Artificial Neural Network Ensembles With Crogging Resampling Technique to Retrieve Sea Surface Temperature From HY-2A Scanning Microwave Radiometer Data.  ... 
doi:10.1109/tgrs.2020.2967201 fatcat:kpfxoidv5bgcfo36zfsnxe4aj4

2019 Index IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing Vol. 12

2019 IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing  
., +, JSTARS July 2019 2252-2259 Atmospheric precipitation A Real-Time Precipitable Water Vapor Monitoring System Using the National GNSS Network of China: Method and Preliminary Results.  ...  Biscarini, M., +, JSTARS June 2019 1697-1708 Atmospheric humidity A Real-Time Precipitable Water Vapor Monitoring System Using the National GNSS Network of China: Method and Preliminary Results.  ... 
doi:10.1109/jstars.2020.2973794 fatcat:sncrozq3fjg4bgjf4lnkslbz3u

Table of Contents

2020 IGARSS 2020 - 2020 IEEE International Geoscience and Remote Sensing Symposium  
RADIOMETER CALIBRATION AND RFI I TH1-R13.1: ANALYSIS OF FIVE-YEAR AMSR2 BRIGHTNESS TEMPERATURE USING THE ................................ 6345 HISTOGRAMS OF COLD MEASUREMENTS Xiaoqi Huang, Jianhua Zhu  ...  Institute, Chinese Academy of Sciences, China TH1-R7.8: SOME CLOSED-FORM EXPRESSIONS FOR ABSORPTIVE PLUME USING A DOPPLER ANALYSIS IN THE UHF-BAND ENHANCEMENT OF HY-2B SMR BRIGHTNESS TEMPERATURE  ...  FR1-R18: NETWORK BASED CLASSIFIER  ... 
doi:10.1109/igarss39084.2020.9323828 fatcat:6aittajt35gufeaugcmemu5cya

The Potential for Astronomy in Antarctica

M. G. Burton
2005 Highlights of Astronomy  
AbstractThe motivation for holding Special Session 2 at the 25thIAU GA is described, together with an outline of the rational for pursuing astronomy in Antarctica.  ...  We are preparing MASTER, a three band SIS system (94, 220 and 345 GHz), for studies of the Sunyaev Zeldovich effect (reference group #3).  ...  The telescope can also be used for the search of extrasolar Jupiter-like planet transits, astroseismology and identification of GRBs. Parts of this project were funded by CNR, ASI, PNRA and MIUR.  ... 
doi:10.1017/s1539299600017640 fatcat:iqbpdpsv7bfb3pxjfivgaczy5q

An Overview of Advances in Signal Processing Techniques for Classical and Quantum Wideband Synthetic Apertures [article]

Peter Vouras, Kumar Vijay Mishra, Alexandra Artusio-Glimpse, Samuel Pinilla, Angeliki Xenaki, David W. Griffith, Karen Egiazarian
2022 arXiv   pre-print
The SAs may either use a mechanical positioner to move an antenna through space or deploy a distributed network of sensors.  ...  Rapid developments in synthetic aperture (SA) systems, which generate a larger aperture with greater angular resolution than is inherently possible from the physical dimensions of a single sensor alone  ...  Official contribution of the U.S. government; not subject to copyright in the United States.  ... 
arXiv:2205.05602v1 fatcat:74vr5wq6zjcjdf7wtitpbbfquu

2020 Index IEEE Transactions on Instrumentation and Measurement Vol. 69

2020 IEEE Transactions on Instrumentation and Measurement  
Converter Using All-Digital Nested Delay-Locked Loops With 50-ps Resolution and High Throughput for LiDAR TIM Nov. 2020 9262-9271 Helsen, J., see Huchel, L., TIM July 2020 4145-4153 Hemavathi, N.,  ...  Meenalochani, M., and Sudha, S., Influence of Received Signal Strength on Prediction of Cluster Head and Number of Rounds; TIM June 2020 3739-3749 Hendeby, G., see Kasebzadeh, P., TIM Aug. 2020 5862  ...  ., +, TIM May 2020 1972-1980 A Compact Temperature Sensor With a Resolution FoM of 1.82 pJ·K 2 .  ... 
doi:10.1109/tim.2020.3042348 fatcat:a5f4fsqs45fbbetre6zwsg3dly

Self-Organized Evolutionary Process in Sets of Interdependent Variables near the Midpoint of Phase Transition in K-Satisfiability [chapter]

Michael Korkin
2001 Lecture Notes in Computer Science  
The tomographic inversion of these GPS data in a three-dimensional time-dependent inversion algorithm can reveal the spatial and temporal distribution of ionospheric electron density.  ...  document Derived from text Radiometers; Spectroradiometers; Bidirectional Reflectance; Atmospheric Correction; Atmospheric Models; Calibrating; High Resolution; Spatial Resolution; Reflectance 20080021647  ... 
doi:10.1007/3-540-45443-8_20 fatcat:ght26tu6avh57kkp54kifofaee

13. Sulfur Degassing From Volcanoes: Source Conditions, Surveillance, Plume Chemistry and Earth System Impacts [chapter]

Clive Oppenheimer, Bruno Scaillet, Robert S. Martin, Harald Behrens, James D. Webster
2011 Sulfur in Magmas and Melts:  
and can result in major impacts on the atmosphere, climate and terrestrial ecosystems at a range of spatial and temporal scales.  ...  Geodynamics and the geochemical behavior of sulfur The sulfur released by magmas in volcanic emissions may derive from three different sources: dissolved in the silicate liquid, present in a coexisting  ...  Marini L, Gambardella B, Principe C, Arias A, Brombach T, Hunziker J C (2002) Characterization of magmatic sulfur in the Aegean island arc by means of the δ 34 S values of fumarolic H 2 S, elemental S  ... 
doi:10.1515/9781501508370-013 fatcat:vnckiftjsngkfgzjhlftwg75ny

The scientific legacy of NASA's Operation IceBridge

Joseph A. MacGregor, Linette N. Boisvert, Brooke Medley, Alek A. Petty, Jeremy P. Harbeck, Robin E. Bell, J. Bryan Blair, Edward Blanchard‐Wrigglesworth, Ellen M. Buckley, Michael S. Christoffersen, James. R. Cochran, Beáta M. Csathó (+34 others)
2021 Reviews of Geophysics  
OIB's primary goal was to use airborne laser altimetry to bridge the gap in fine-resolution elevation measurements of ice from space between the conclusion of NASA's Ice, Cloud, and land Elevation Satellite  ...  Additional scientific requirements were intended to contextualize observed elevation changes using a multisensor suite of radar sounders, gravimeters, magnetometers, and cameras.  ...  During the course of OIB, gravity inversion evolved from two-dimensional inversions with limited constraints into three-dimensional inversions with multiple independent constraints.  ... 
doi:10.1029/2020rg000712 fatcat:w7jvgqgqordr7ioao3cxgkheie
« Previous Showing results 1 — 15 out of 27 results