Search Results - "Abshire, J"

Calibration of the Total Carbon Column Observing Network using aircraft profile data by Wunch, D., Toon, G. C., Wennberg, P. O., Wofsy, S. C., Stephens, B. B., Fischer, M. L., Uchino, O., Abshire, J. B., Bernath, P., Biraud, S. C., Blavier, J.-F. L., Boone, C., Bowman, K. P., Browell, E. V., Campos, T., Connor, B. J., Daube, B. C., Deutscher, N. M., Diao, M., Elkins, J. W., Gerbig, C., Gottlieb, E., Griffith, D. W. T., Hurst, D. F., Jiménez, R., Keppel-Aleks, G., Kort, E. A., Macatangay, R., Machida, T., Matsueda, H., Moore, F., Morino, I., Park, S., Robinson, J., Roehl, C. M., Sawa, Y., Sherlock, V., Sweeney, C., Tanaka, T., Zondlo, M. A.

“…The Total Carbon Column Observing Network (TCCON) produces precise measurements of the column average dry-air mole fractions of CO2, CO, CH4, N2O and H2O at a…”
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ICESat's laser measurements of polar ice, atmosphere, ocean, and land by Zwally, H.J., Schutz, B., Abdalati, W., Abshire, J., Bentley, C., Brenner, A., Bufton, J., Dezio, J., Hancock, D., Harding, D., Herring, T., Minster, B., Quinn, K., Palm, S., Spinhirne, J., Thomas, R.

“…The Ice, Cloud and Land Elevation Satellite (ICESat) mission will measure changes in elevation of the Greenland and Antarctic ice sheets as part of NASA's…”
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The Global Topography of Mars and Implications for Surface Evolution by Smith, David E., Zuber, Maria T., Solomon, Sean C., Phillips, Roger J., Head, James W., Garvin, James B., Banerdt, W. Bruce, Muhleman, Duane O., Pettengill, Gordon H., Neumann, Gregory A., Lemoine, Frank G., Abshire, James B., Aharonson, Oded, Brown, C. David, Hauck, Steven A., Ivanov, Anton B., McGovern, Patrick J., Zwally, H. Jay, Duxbury, Thomas C.

“…Elevations measured by the Mars Orbiter Laser Altimeter have yielded a high-accuracy global map of the topography of Mars. Dominant features include the low…”
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Mars Orbiter Laser Altimeter pulse width measurements and footprint-scale roughness by Neumann, G. A., Abshire, J. B., Aharonson, O., Garvin, J. B., Sun, X., Zuber, M. T.

“…The Mars Orbiter Laser Altimeter (MOLA) measured the pulse width and energy of altimetric laser returns during the course of two Mars years of operations. As…”
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National Nosocomial Infections Surveillance (NNIS) System Report, Data Summary from January 1990-May 1999, Issued June 1999

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Variability of Selected Soil Properties and Their Relationships with Soybean Yield by Cox, M. S., Gerard, P. D., Wardlaw, M. C., Abshire, M. J.

“…Given the potential for high amounts of variability in yield‐affecting soil factors, some soil property or properties may serve as a basis for site‐specific…”
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Profiling tropospheric CO2 using Aura TES and TCCON instruments by Kuai, L, Worden, J, Kulawik, S, Bowman, K, Lee, M, Biraud, S C, Abshire, J B, Wofsy, S C, Natraj, V, Frankenberg, C, Wunch, D, Connor, B, Miller, C, Roehl, C, Shia, R.-L, Yung, Y

“…Monitoring the global distribution and long-term variations of CO2 sources and sinks is required for characterizing the global carbon budget. Total column…”
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Observations of the North Polar Region of Mars from the Mars Orbiter Laser Altimeter by Zuber, Maria T., Smith, David E., Solomon, Sean C., Abshire, James B., Afzal, Robert S., Aharonson, Oded, Fishbaugh, Kathryn, Ford, Peter G., Frey, Herbert V., Garvin, James B., Head, James W., Ivanov, Anton B., Johnson, Catherine L., Muhleman, Duane O., Neumann, Gregory A., Pettengill, Gordon H., Phillips, Roger J., Sun, Xiaoli, Zwally, H. Jay, Banerdt, W. Bruce, Duxbury, Thomas C.

“…Elevations from the Mars Orbiter Laser Altimeter (MOLA) have been used to construct a precise topographic map of the martian north polar region. The northern…”
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Analytical predictions of shapes of laminar diffusion flames in microgravity and earth gravity by Krishnan, S. S., Abshire, J. M., Sunderland, P. B., Yuan, Z.-G., Gore, J. P.

“…Flame shape is an important observed characteristic of flames that can be used to scale flame properties such as heat release rates and radiation. Flame shape…”
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National Nosocomial Infections Surveillance (NNIS) System Report, Data Summary from October 1986–April 1998, Issued June 1998

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Performance of OOK and Low-Order PPM Modulations in Optical Communications When Using APD-Based Receivers by Abshire, J.

“…This correspondence compares OOK and low-order PPM signaling formats in terms of bit error probabilities versus required signal counts per bit. The results…”
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National Nosocomial Infections Surveillance (NNIS) report, data summary from October 1986-April 1997, issued May 1997

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Vertical roughness of Mars from the Mars Orbiter Laser Altimeter by Garvin, James B., Frawley, James J., Abshire, James B.

“…The vertical roughness of the martian surface at ∼250 m spatial scales has been determined in two global latitude bands: an equatorial and a high northern band…”
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Atmospheric Refractivity Corrections in Satellite Laser Ranging by Abshire, James B., Gardner, Chester S.

“…Atmospheric refraction can cause significant errors in satellite laser ranging (SLR) systems. There are two techniques which can be used to correct for these…”
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Using soil parameters to predict weed infestations in soybean by Medlin, Case R., Shaw, David R., Cox, Michael S., Gerard, Patrick D., Abshire, Melinda J., Wardlaw III, Milton C.

“…An understanding of environmental factors governing patchy weed distribution in fields could prove to be a valuable tool in weed management. The objectives of…”
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Selected soil properties' variability and their relationships with yield in three Mississippi fields by Cox, M.S, Gerard, P.D, Abshire, M.J

“…For site-specific soil management to be effective, soil factors must vary within a field and potentially be limiting to crop production. The objectives of this…”
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Measurement of proton radiation damage to Si avalanche photodiodes by Xiaoli Sun, Reusser, D., Dautet, H., Abshire, J.B.

“…The effects of proton radiation damage on EG&G C30902S Si avalanche photodiodes (APD's) were measured. The APD bulk leakage current increased at 0.29 fA/rad,…”
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Utility of remote sensing in predicting crop and soil characteristics by Leon, C.T, Shaw, D.R, Cox, M.S, Abshire, M.J, Ward, B, Wardlaw, M.C. III

“…Remote sensing during the production season can provide visual indications of crop growth along with the geographic locations of those areas. A grid coordinate…”
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Time evolution of pulsed far-field patterns of GaAlAs phase-locked laser-diode arrays by Forrest, K., Abshire, J.

“…The time evolution of pulsed far fields from commercially available gain-guided phase-locked arrays has been studied and compared to experimental results…”
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The Geoscience Laser Altimetry/Ranging System by Cohen, Steven C., Degnan, John J., Bufton, Jack L., Garvin, James B., Abshire, James B.

“…The Geoscience Laser Altimetry/Ranging System (GLARS) is a planned highly precise laser distance-measuring system to be used for geoscience measurements…”
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