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Publications

Found 42 results
Author Title [ Type(Desc)] Year
Filters: Type is Journal Publication and Author is A. Angal  [Clear All Filters]
Journal Publication
Helder, D. L., K. Thome, N. Mishra, G. Chander, X. Xiong, A. Angal, and T. Choi, "Absolute Radiometric Calibration of Landsat Using a Pseudo Invariant Calibration Site", IEEE Transactions on Geoscience and Remote Sensing, vol. 51, issue 3, pp. 1360-1369, 2013.
Chen, H., X. Xiong, A. Angal, X. Geng, and A. Wu, "Alternative method of on-orbit response-versus-scan-angle characterization for MODIS reflective solar bands", Journal of Applied Remote Sensing, vol. 10(2), 024004, 2016.
Chander, G., N. Mishra, D. L. Helder, D. B. Aaron, A. Angal, T. Choi, X. Xiong, and D. R. Doelling, "Applications of Spectral Band Adjustment Factors (SBAF) for Cross-Calibration", IEEE Transactions on Geoscience and Remote Sensing, vol. 51, issue 3, pp. 1267-1281, 2013.
Chang, T., X. Xiong, A. Angal, A. Wu, and X. Geng, "Aqua and Terra MODIS RSB Calibration Comparison Using BRDF Modeled Reflectance", IEEE Transactions on Geoscience and Remote Sensing, vol. 55, issue 4, pp. 2288 - 2298, 2017.
Chang, T., X. Xiong, A. Angal, and Q. Mu, "Assessment of MODIS RSB detector uniformity using deep convective clouds", Journal of Geophysical Research: Atmospheres, vol. 121, issue 9, pp. 4783–4796, 2016.
Wu, A., X. Geng, A. Wald, A. Angal, and X. Xiong, "Assessment of Terra MODIS On-Orbit Polarization Sensitivity Using Pseudoinvariant Desert Sites", IEEE Transactions on Geoscience and Remote Sensing, vol. 55, issue 7, pp. 4168 - 4176, 2017.
Choi, T., X. Xiong, A. Angal, G. Chander, and J. Qu, "Assessment of the spectral stability of Libya 4, Libya 1, and Mauritania 2 sites using Earth Observing One Hyperion", Journal of Applied Remote Sensing, vol. 8, issue 1, 2014.
Wu, A., X. Xiong, D. R. Doelling, D. Morstad, A. Angal, and R. Bhatt, "Characterization of Terra and Aqua MODIS VIS, NIR, and SWIR Spectral Bands’ Calibration Stability", IEEE Transactions on Geoscience and Remote Sensing, vol. 51, issue 7, pp. 4330-4338, 2013.
Angal, A., G. Chander, X. Xiong, T. Choi, and A. Wu, "Characterization of the Sonoran desert as a radiometric calibration target for Earth observing sensors", J. Appl. Remote Sens, vol. 5, issue 1, pp. 059502-6, 07/2011.
Bhatt, R., D. R. Doelling, A. Angal, X. Xiong, B. Scarino, A. Gopalan, C. O. Haney, and A. Wu, "Characterizing response versus scan- angle for MODIS reflective solar bands using deep convective clouds", Journal of Applied Remote Sensing, vol. 11 (1), 016014, 2017.
Angal, A., X. Xiong, and A. Shrestha, "Cross-Calibration of MODIS Reflective Solar Bands With Sentinel 2A/2B MSI Instruments", IEEE Transactions on Geoscience and Remote Sensing, vol. 58, issue 7, pp. 5000-5007, 2020.
Wu, A., X. Xiong, and A. Angal, "Derive a MODIS-Based Calibration for the AVHRR Reflective Solar Channels of the NOAA KLM Operational Satellites", IEEE Transactions on Geoscience and Remote Sensing, vol. 51, issue 3, pp. 1405-1413, 2013.
Twedt, K., A. Angal, and X. Xiong, "Effects of out-of-band and time-varying relative spectral response on the calibration of MODIS reflective solar bands", Journal of Applied Remote Sensing, issue 14 (2), pp. 024523, 2020.
Raut, B., M. Kaewmanee, A. Angal, X. Xiong, and D. Helder, "Empirical Absolute Calibration Model for Multiple Pseudo-Invariant Calibration Sites", Remote Sensing, vol. 11, issue 9, pp. 1105, 2019.
Wu, A., X. Xiong, A. Angal, and W. Barnes, "Evaluation of Detector-to-Detector and Mirror Side Differences for Terra MODIS Reflective Solar Bands Using Simultaneous MISR Observations", Int. J. Remote Sens., vol. 32, issue 2, pp. 299-312, 2011.
Angal, A., X. Xiong, T. Choi, G. Chander, N. Mishra, and D. L. Helder, "Impact of Terra MODIS Collection 6 on long-term trending comparisons with Landsat 7 ETM+ reflective solar bands", Remote Sensing Letters, vol. 4, issue 9, pp. 873-881, 2013.
Angal, A., X. Xiong, A. Wu, X. Geng, and H. Chen, "Improvements in the On-Orbit Response Versus Scan Angle Characterization of the Aqua MODIS Reflective Solar Bands", IEEE Transactions on Geoscience and Remote Sensing, vol. 56, issue 3, pp. 1728-1738, 2018.
Xiong, X., A. Angal, Y. Li, and K. Twedt, "Improvements of on-orbit characterization of Terra MODIS short-wave infrared spectral bands out-of-band responses", Journal of Applied Remote Sensing, vol. 14, issue 4, pp. 047503, 2020.
Xiong, X., M. D. King, V. Salomonson, W. Barnes, B. N. Wenny, A. Angal, A. Wu, S. Madhavan, and D. Link, "Moderate Resolution Imaging Spectroradiometer on Terra and Aqua Missions", John Wiley & Sons, Ltd, vol. 9781118945179, pp. 53-89, 2015.
Xiong, X., A. Angal, T. Chang, K. Chiang, N. Lei, Y. Li, J. Sun, K. Twedt, and A. Wu, "MODIS and VIIRS Calibration and Characterization in Support of Producing Long-Term High-Quality Data Products", Remote Sensing, vol. 12, issue 19, pp. 3167, 2020.
Xiong, X., A. Angal, K. A. Twedt, H. Chen, D. Link, X. Geng, E. Aldoretta, and Q. Mu, "MODIS Reflective Solar Bands On-Orbit Calibration and Performance", IEEE Transactions on Geoscience and Remote Sensing, vol. 57, issue 9, pp. 6355-6371, 2019.
Chander, G., X. Xiong, T. Choi, and A. Angal, "Monitoring on-orbit calibration stability of the Terra MODIS and Landsat 7 ETM+ sensors using pseudo-invariant test sites", Remote Sens. Environ., pp. 114, 925-939, 2010.
Angal, A., X. Xiong, and A. Wu, "Monitoring the On-Orbit Calibration of Terra MODIS Reflective Solar Bands Using Simultaneous Terra MISR Observations", IEEE Transactions on Geoscience and Remote Sensing, vol. 55, issue 3, pp. 1648-1659, 2017.
Angal, A., X. Xiong, A. Wu, G. Chander, and T. Choi, "Multitemporal Cross-Calibration of the Terra MODIS and Landsat 7 ETM+ Reflective Solar Bands", IEEE Transactions on Geoscience and Remote Sensing, vol. 51, issue 4, pp. 1870-1882, 2013.
Tuli, F., C. Pinto, A. Angal, X. Xiong, and D. Helder, "New Approach for Temporal Stability Evaluation of Pseudo-Invariant Calibration Sites (PICS)", Remote Sensing, vol. 11, issue 12, pp. 1502, 2019.
Angal, A., X. Geng, X. Xiong, K. Twedt, A. Wu, D. Link, and E. Aldoretta, "On-Orbit Calibration of Terra MODIS VIS Bands Using Polarization-Corrected Desert Observations", IEEE Transactions on Geoscience and Remote Sensing, vol. 58, issue 8, pp. 5428-5439, 2020.
Chen, H., X. Xiong, A. Angal, and K. A. Twedt, "On-Orbit Characterization of the MODIS SDSM Screen for Solar Diffuser Degradation Estimation", IEEE Transactions on Geoscience and Remote Sensing, vol. 55, issue 11, pp. 6456-6467, 2017.
Angal, A., X. Xiong, J. Sun, and X. Geng, "On-orbit noise characterization of MODIS reflective solar bands", J. Appl. Remote Sens. 0001;9(1):094092, 2015.
Xiong, X., A. Angal, J. Sun, J. Choi, and E. Johnson, "On-orbit performance of MODIS Solar Diffuser Stability Monitor", Journal of Applied Remote Sensing, vol. 8, pp. 083514-1-14, 2014.
Mu, Q., A. Wu, X. Xiong, D. R. Doelling, A. Angal, T. Chang, and R. Bhatt, "Optimization of a Deep Convective Cloud Technique in Evaluating the Long-Term Radiometric Stability of MODIS Reflective Solar Bands", Remote Sensing, vol. 9 (6), issue 535, 2017.
Wilson, T., A. Angal, and X. Xiong, "Orbital Path and Spacecraft Attitude Correction for the MODIS Lunar Spatial Characterization", IEEE Transactions on Geoscience and Remote Sensing, vol. 58, issue 2, pp. 1063-1073, 2020.
Xiong, X., A. Wu, B. Wenny, J. Choi, and A. Angal, "Progress and Lessons from MODIS Calibration Inter-comparison Using Ground Test Sites", Canadian Journal of Remote Sensing, vol. 36, issue 5, pp. 540-552, 2010.
Chander, G., A. Angal, T. Choi, and X. Xiong, "Radiometric Cross-Calibration of EO-1 ALI With L7 ETM+ and Terra MODIS Sensors Using Near-Simultaneous Desert Observations", IEEE JSTARS, vol. 6, issue 2, pp. 386-399, 2013.
Bhatt, R., D. R. Doelling, A. Angal, X. Xiong, C. O. Haney, B. Scarino, A. Wu, and A. Gopalan, "Response Versus Scan-Angle Assessment of MODIS Reflective Solar Bands in Collection 6.1 Calibration", IEEE Transactions on Geoscience and Remote Sensing, vol. 58, issue 4, pp. 2276-2289, 2020.
Angal, A., X. Xiong, Q. Mu, D. R. Doelling, R. Bhatt, and A. Wu, "Results From the Deep Convective Clouds-Based Response Versus Scan-Angle Characterization for the MODIS Reflective Solar Bands", IEEE Transactions on Geoscience and Remote Sensing, vol. 56, issue 2, pp. 1115-1128, 2018.
Lyapustin, A., Y. Wang, X. Xiong, G. Meister, S. Platnick, R. Levy, B. A. Franz, S. Korkin, T. Hilker, J. Tucker, et al., "Scientific impact of MODIS C5 calibration degradation and C6 improvements", Atmospheric Measurement Techniques Discussions, vol. 7, issue 7, pp. pp.7281-7319, 2014.
Toller, G., X. Xiong, J. Sun, B. N. Wenny, X. Geng, J. Kuyper, A. Angal, H. Chen, S. Madhavan, and A. Wu, "Terra and Aqua Moderate-resolution Imaging Spectroradiometer Collection 6 Level 1B Algorithm", Journal of Applied Remote Sensing, vol. 7, issue 1, 2013.
Chang, T., X. Xiong, and A. Angal, "Terra and Aqua MODIS TEB intercomparison using Himawari-8/AHI as reference", Journal of Applied Remote Sensing, vol. 13, issue 1, pp. 017501, 2019.
Xiong, X., E. Aldoretta, A. Angal, T. Chang, X. Geng, D. Link, V. Salomonson, K. Twedt, and A. Wu, "Terra MODIS: 20 years of on-orbit calibration and performance", Journal of Applied Remote Sensing, vol. 14(3), pp. 037501, 2020.
Sun, J., X. Xiong, A. Angal, H. Chen, A. Wu, and X. Geng, "Time-Dependent Response Versus Scan Angle for MODIS Reflective Solar Bands", IEEE Transactions on Geoscience and Remote Sensing, vol. 52, issue 6, pp. 3159-3174, 2014.