Enhanced-resolution reconstruction of ASCAT backscatter measurements

RD Lindsley, DG Long - IEEE Transactions on Geoscience and …, 2015‏ - ieeexplore.ieee.org
A wind scatterometer measures the normalized radar cross section σ° of the Earth's surface
in order to estimate the ocean near-surface wind. Each measurement is the weighted …

High-resolution coastal winds from the noaa near real-time ascat processor

S Soisuvarn, Z Jelenak, PS Chang… - … on Geoscience and …, 2023‏ - ieeexplore.ieee.org
The NOAA near real-time operational advanced scatterometer (ASCAT) ocean surface wind
vectors are produced at 12.5-and 25-km swath grid resolutions. To avoid land contamination …

Reconstruction from aperture-filtered samples with application to scatterometer image reconstruction

BA Williams, DG Long - IEEE Transactions on Geoscience and …, 2010‏ - ieeexplore.ieee.org
This paper approaches scatterometer image reconstruction as the inversion of a discrete
noisy aperture-filtered sampling operation. Aperture-filtered sampling is presented and …

Enhanced Tropical Cyclone ASCAT Winds Guided by SAR-learned Spatial Structure Functions

W Ni, A Stoffelen, K Ren, J Vogelzang… - … on Geoscience and …, 2024‏ - ieeexplore.ieee.org
The C-band Advanced Scatterometer (ASCAT) has the advantages of good spatial-temporal
coverage and low sensitivity to nonextreme rainfall. While the perceived wind speed …

Iceberg size and orientation estimation using SeaWinds

KM Stuart, DG Long - Cold regions science and technology, 2011‏ - Elsevier
SeaWinds scatterometer data from 1999 to 2009 has been used to detect and track large
Antarctic icebergs on a daily basis. Here, we develop two estimation algorithms to …

Determining selected tropical cyclone characteristics using QuikSCAT's ultra-high resolution images

F Said, DG Long - IEEE Journal of Selected Topics in Applied …, 2011‏ - ieeexplore.ieee.org
Operational SeaWinds on QuikSCAT data can be enhanced to yield a 2.5 km ultra-high
resolution (UHR) wind product, which can be used to help estimate tropical cyclone (TC) …

A reconstruction approach to scatterometer wind vector field retrieval

BA Williams, DG Long - IEEE transactions on geoscience and …, 2011‏ - ieeexplore.ieee.org
This paper approaches wind field estimation from scatterometer measurements as the
inversion of a noisy nonlinear sampling operation. The forward sampling model is presented …

[HTML][HTML] Ultrahigh resolution scatterometer winds near Hawaii

N Hutchings, T Kilpatrick, DG Long - Remote Sensing, 2020‏ - mdpi.com
Hawaii regional climate model (HRCM), QuikSCAT, and ASCAT wind estimates are
compared in the lee of Hawaii's Big Island with the goal of understanding ultrahigh …

Coastal winds and sea ICE detection from the NOAA near real-time Advanced Scatterometer (ASCAT) processor

S Soisuvarn, Z Jelenak, PS Chang… - IGARSS 2022-2022 …, 2022‏ - ieeexplore.ieee.org
The NOAA near real-time operational ASCAT ocean surface wind vectors are produced at
12.5 and 25 km swath grid resolutions. However, due to land contamination most coastal …

Improved ultrahigh-resolution wind retrieval for RapidScat

N Hutchings, DG Long - IEEE Transactions on Geoscience and …, 2018‏ - ieeexplore.ieee.org
This paper introduces RapidScat 2.5-km ultrahigh-resolution (UHR) wind estimation and
validates it in near-coastal regions. RapidScat UHR wind estimation provides finer …