Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Ivan Popstefanija"'
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 17, Pp 633-642 (2024)
The unmanned aerial vehicle (UAV) based remote sensing has drawn increased attention in precision agriculture. Lightweight optical and thermal sensors have been used widely on UAVs for a range of applications, and have been proposed by some as the be
Externí odkaz:
https://doaj.org/article/b94d4b1936794391a43c9f3e58477295
Publikováno v:
IEEE Transactions on Geoscience and Remote Sensing. 59:9007-9020
The NOAA Wide Swath Radar Altimeter (WSRA) and its processing are described. The WSRA provides real-time measurements of sea surface significant wave height and directional wave spectra during flights in hurricanes and other environments. The charact
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::31280bc0f47abcc17b8e504ee344d9ac
https://doi.org/10.1109/tgrs.2020.3042904
https://doi.org/10.1109/tgrs.2020.3042904
Autor:
James Warnecke, Gijs de Boer, Dean Henze, Ivan PopStefanija, Sergio Pezoa, M Leandro, Ken Moran, Robert Pincus, Adriana Bailey, Paquita Zuidema, Ashley Lundry, Akshar J. Patel, Haonan Chen, Patrick Y. Chuang, Dana A. Naeher, David Noone, Quinn T. Kalen, Jan Kazil, Graham Feingold, Elizabeth J. Thompson, Christopher W. Fairall
Publikováno v:
Earth System Science Data, Vol 13, Pp 3281-3296 (2021)
The Atlantic Tradewind Ocean-Atmosphere Mesoscale Interaction Campaign (ATOMIC), part of the larger experiment known as Elucidating the Role of Clouds-Circulation Coupling in Climate (EUREC4A), was held in the western Atlantic during the period 17 Ja
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::54fff257636134d8a254312a7c0fdf73
https://essd.copernicus.org/articles/13/3281/2021/essd-13-3281-2021.pdf
https://essd.copernicus.org/articles/13/3281/2021/essd-13-3281-2021.pdf
Autor:
Nan Ye, Andrew McGrath, Yann Kerr, Ivan Popstefanija, Thomas J. Jackson, James Hills, Mark Goodberlet, In-Young Yeo, Edward J. Kim, Jeffrey P. Walker
Publikováno v:
IEEE Geoscience and Remote Sensing Letters. 18:504-508
Currently, near-surface soil moisture at a global scale is being provided using National Aeronautics and Space Administration’s (NASA’s) Soil Moisture Active Passive (SMAP) and European Space Agency’s (ESA’s) Soil Moisture and Ocean Salinity
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fe3382c548a1261f613da0f90e731c00
https://doi.org/10.1109/lgrs.2020.2976204
https://doi.org/10.1109/lgrs.2020.2976204
Autor:
Robert Pincus, Chris W. Fairall, Adriana Bailey, Haonan Chen, Patrick Y. Chuang, Gijs de Boer, Graham Feingold, Dean Henze, Quinn T. Kalen, Jan Kazil, Mason Leandro, Ashley Lundry, Ken Moran, Dana A. Naeher, David Noone, Akshar J. Patel, Sergio Pezoa, Ivan PopStefanija, Elizabeth J. Thompson, James Warnecke, Paquita Zuidema
This paper describes observations obtained during the Atlantic Tradewind Ocean-Atmosphere Mesoscale Interaction Campaign (ATOMIC) by the US National Oceanic and Atmospheric Administration's (NOAA) Lockheed WP-3D Orion research aircraft based on the i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6ef0952747adeec6858d8f9db3153cae
https://doi.org/10.5194/essd-2021-11
https://doi.org/10.5194/essd-2021-11
Autor:
Dallas Masters, Valery U. Zavorotny, Scott Gleason, Dennis Akos, Edward J. Walsh, Michael S. Grant, Sara Hrbek, Ivan PopStefanija
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing. 11:1975-1988
This paper analyzes and compares multiple techniques for estimating the mean square slope (MSS) of surface waves during Hurricane Ike in the Gulf of Mexico and studies the correlation of the MSS estimates with wind speed measurements along the same t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4e83f5456c19ca14833e7de54d7f64d3
https://doi.org/10.1109/jstars.2018.2827045
https://doi.org/10.1109/jstars.2018.2827045
Autor:
Ming Fang, Haflidi Jonsson, Pavlos Kollias, Bruce A. Albrecht, Ivan PopStefanija, Eunsil Jung
Publikováno v:
Journal of Applied Meteorology and Climatology. 56:537-553
For the first time, the Mie notch retrieval technique is applied to airborne cloud Doppler radar observations in warm precipitating clouds to retrieve the vertical air velocity profile above the aircraft. The retrieval algorithm prescribed here accou
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f7bef793b47aef11d33fc1d346f867b5
https://doi.org/10.1175/jamc-d-16-0158.1
https://doi.org/10.1175/jamc-d-16-0158.1
Autor:
Ivan Popstefanija, Mark Goodberlet
Publikováno v:
IEEE Transactions on Antennas and Propagation. 63:4588-4593
The radiative transfer equation in a planar stratified atmosphere with multiple scattering can be solved using a previously reported method of propagators. This method here is improved in several ways. Cross-polarized scattering is added. A new propa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::45435f35f16a007f510e054ceb5a62f3
https://doi.org/10.1109/tap.2015.2456956
https://doi.org/10.1109/tap.2015.2456956
Autor:
Ivan PopStefanija, Mike Grant, Edward J. Walsh, Dallas Masters, Dennis Akos, Scott Gleason, Valery U. Zavorotny, Sara Hrbek
Publikováno v:
IGARSS
This paper analyzes and compares multiple techniques for estimating the mean square slope (MSS) of surface waves during Hurricane Ike in the Gulf of Mexico and studies the correlation of these estimates with co-located independent surface wind measur
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e2b9cee18018163255f6d62fade63581
https://doi.org/10.1109/igarss.2017.8126978
https://doi.org/10.1109/igarss.2017.8126978
Autor:
Bradley W. Klotz, Edward J. Walsh, Jian Zhang, Ivan PopStefanija, Sergey Y. Matrosov, Eric W. Uhlhorn
Publikováno v:
Journal of Atmospheric and Oceanic Technology. 31:860-875
The NOAA Wide-Swath Radar Altimeter (WSRA) uses 80 narrow beams spread over ±30° in the cross-track direction to generate raster lines of sea surface topography at a 10-Hz rate from which sea surface directional wave spectra are produced. A ±14°
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3e5dca7a507933d5bbd17bc56417fc3d
https://doi.org/10.1175/jtech-d-13-00111.1
https://doi.org/10.1175/jtech-d-13-00111.1