Results 91 to 100 of about 1,430 (223)

Underestimation of Methane Emissions From the Sudd Wetland: Unraveling the Impact of Wetland Extent Dynamics

open access: yesGeophysical Research Letters, Volume 51, Issue 16, 28 August 2024.
Abstract Tropical wetlands account for ∼20% of the global total methane (CH4) emissions, but uncertainties remain in emission estimation due to the inaccurate representation of wetland spatiotemporal variations. Based on the latest satellite observational inundation data, we constructed a model to map the long‐term time series of wetland extents over ...
Bogang Dong   +6 more
wiley   +1 more source

Observational tests of hurricane intensity estimations using GPS radio occultations [PDF]

open access: yes, 2013
This study presents a novel approach to estimating the intensity of hurricanes using temperature profiles from Global Positioning System radio occultation (GPSRO) measurements. Previous research has shown that the temperature difference between the ocean
Emanuel, Kerry Andrew   +3 more
core   +1 more source

Analysis and Modeling of Tropical Convection Observed by CYGNSS [PDF]

open access: yes
No abstract ...
Lang, Timothy J.   +3 more
core   +1 more source

Comparing ASCAT and CYGNSS Winds near Tropical Convection [PDF]

open access: yes
Gradient Features identified in ASCAT (Advanced Scatterometer) data correspond well to observed CYGNSS (Cyclone Global Navigation Satellite System) wind shifts: Comparing ASCAT and CYGNSS winds near tropical convection.
Garg, Piyush   +3 more
core   +1 more source

Implementation of a GNSS-R payload based on software defined radio for the 3CAT-2 mission [PDF]

open access: yes, 2016
©2016 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new ...
Amézaga Sarries, Adrià   +4 more
core   +2 more sources

CYGNSS Ocean Altimetry: A Status Report

open access: yes, 2021
Comunicación expuesta online en el CYGNSS Science Team Summer Meeting celebrado del 27 al 29 de julio de ...
Shum, C.K.   +13 more
openaire   +1 more source

CYGNSS Launch and Early Ops: Parenting Octuplets

open access: yes, 2017
The eight micro-satellite Cyclone Global Navigation Satellite System (CYGNSS) constellation was launched on December 15, 2016. Each of the observatories carries a 4-channel GNSS-R receiver tuned to receive signals reflected by the Earth's ocean surface from which near-surface wind speed is estimated.
Killough, Ronnie   +7 more
openaire   +2 more sources

Exploring the Utility of the Planned CYGNSS Mission for Investigating the Initiation and Development of the Madden-Julian Oscillation [PDF]

open access: yes
CYGNSS is a planned constellation consisting of multiple micro-satellites that leverage the Global Positioning System (GPS) to provide rapidly updated, high resolution (approx. 15-50 km, approx. 4 h) surface wind speeds (via bi-static scatterometry) over
Brewer, Alan   +6 more
core   +2 more sources

On the Use of CYGNSS to Observe Convectively Driven Near-Surface Winds in Tropical Precipitation Systems [PDF]

open access: yes
No abstract ...
Castillo, Tyler   +5 more
core   +1 more source

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