Zobrazeno 1 - 10
of 88
pro vyhledávání: '"Tamer F. Refaat"'
Autor:
Tamer F. Refaat, Mulugeta Petros, Charles W. Antill, Upendra N. Singh, Yonghoon Choi, James V. Plant, Joshua P. Digangi, Anna Noe
Publikováno v:
Atmosphere, Vol 12, Iss 3, p 412 (2021)
The capability of an airborne 2-μm integrated path differential absorption (IPDA) lidar for high-accuracy and high-precision active remote sensing of weighted-average column dry-air volume mixing ratio of atmospheric carbon dioxide (XCO2) is demonst
Externí odkaz:
https://doaj.org/article/805eebffab2243b390b9e1f943e0f013
Publikováno v:
IEEE Transactions on Geoscience and Remote Sensing. 58:5804-5819
NASA has been conducting several studies for quantifying and monitoring atmospheric CO2 including the Orbiting Carbon Observatory space-based missions. To complement CO2 passive sensing, the National Research Council recommended active remote sensing
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5263ff03e33e562761579742f1737efb
https://doi.org/10.1109/tgrs.2020.2970686
https://doi.org/10.1109/tgrs.2020.2970686
This book gathers the latest advances, innovations, and applications in the field of space lidar missions, techniques, and technologies, as presented at the 3rd International Workshop on Space-Based Lidar Remote Sensing Techniques and Emerging Techno
Autor:
Mulugeta Petros, James Plant, Anna Noe, Yonghoon Choi, Upendra N. Singh, Tamer F. Refaat, Joshua P. DiGangi, Charles W. Antill
Publikováno v:
Atmosphere, Vol 12, Iss 412, p 412 (2021)
Atmosphere
Volume 12
Issue 3
Atmosphere
Volume 12
Issue 3
The capability of an airborne 2-μm integrated path differential absorption (IPDA) lidar for high-accuracy and high-precision active remote sensing of weighted-average column dry-air volume mixing ratio of atmospheric carbon dioxide (XCO2) is demonst
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::950cf91960a39646133f372c950211a4
https://www.mdpi.com/2073-4433/12/3/412
https://www.mdpi.com/2073-4433/12/3/412
Publikováno v:
EPJ Web of Conferences, Vol 237, p 01013 (2020)
An advanced detection system, based on mercury cadmium telluride avalanche photodiodes array, was implemented within a 2-μm lidar. Detection system characterization was conducted for performance evaluation including settling time, noise-equivalent-p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f8c955159f0f1cb508f8e08b5334ab4a
https://www.epj-conferences.org/articles/epjconf/pdf/2020/13/epjconf_ilrc292020_01013.pdf
https://www.epj-conferences.org/articles/epjconf/pdf/2020/13/epjconf_ilrc292020_01013.pdf
Publikováno v:
IEEE J Sel Top Appl Earth Obs Remote Sens
The societal benefits of understanding climate change through the identification of global carbon dioxide sources and sinks led to the recommendation for NASA's Active Sensing of Carbon Dioxide Emissions over Nights, Days, and Seasons space-based mis
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8ff1277c11a684aed067d4a03d7d4152
https://doi.org/10.1109/jstars.2017.2777453
https://doi.org/10.1109/jstars.2017.2777453
Autor:
William Johnson, Upendra N. Singh, Tamer F. Refaat, Jirong Yu, Karl Reithmaier, Ruben Remus, Mulugeta Petros
Publikováno v:
Journal of Atmospheric and Oceanic Technology. 34:385-400
This study reports airborne measurements of atmospheric CO2 column density using a 2-μm double-pulsed integrated path differential absorption (IPDA) lidar. This new 2-μm IPDA lidar offers an alternative approach to measure CO2 column density with u
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::84604ae6623a0514f3bde0ca7ed7f16a
https://doi.org/10.1175/jtech-d-16-0112.1
https://doi.org/10.1175/jtech-d-16-0112.1
Autor:
Tamer F. Refaat, Upendra N. Singh, Syed Ismail, Charles W. Antill, Teh-Hwa Wong, Ruben Remus, Mulugeta Petros, Jane Lee
Publikováno v:
IGARSS
Laser sources with highly stabilized emission wavelength is of paramount importance for a long term atmospheric carbon dioxide (CO2) measurement from a space platform. Integrated Path Differential Absorption (IPDA) lidar is a promising instrument for
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::733525acad0873b28480b3289b4ad91f
https://doi.org/10.1109/igarss.2019.8898999
https://doi.org/10.1109/igarss.2019.8898999
Autor:
Tamer F. Refaat, Mulugeta Petros, Charles W. Antill, Upendra N. Singh, Ruben Remus, Syed Ismail
Publikováno v:
IGARSS
A triple-pulse, 2-μm, Integrated Path Differential Absorption (IPDA) lidar was developed at NASA Langley Research Center. This active remote sensing instrument provides a technique for measuring atmospheric carbon dioxide and water vapor simultaneou
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4d5714477acfdade118691659a8ad98e
https://doi.org/10.1109/igarss.2019.8900133
https://doi.org/10.1109/igarss.2019.8900133
Autor:
Tamer F. Refaat, William Johnson, Mulugeta Petros, Jirong Yu, Ruben Remus, Upendra N. Singh, Karl Reithmaier
Publikováno v:
EPJ Web of Conferences, Vol 237, p 03013 (2020)
NASA Langley Research Center (LaRC) developed a double pulsed, high energy 2-micron Integrated Path Differential Absorption (IPDA) lidar instrument to measure atmospheric CO2 column density. The 2-μm double pulsed IPDA lidar was flown ten times in M
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::54932df41c2ff9c5a69916387fc56f1d
https://doi.org/10.1051/epjconf/202023703013
https://doi.org/10.1051/epjconf/202023703013