Results 51 to 60 of about 1,305 (202)
Journal of Geophysical Research: Space Physics, Volume 131, Issue 6, June 2026.Abstract High‐precision regional ionospheric correction products are essential for achieving accurate and fast‐convergence solutions in Precise Point Positioning Real‐Time Kinematic (PPP‐RTK). For users in low‐ and middle‐latitudes, PPP‐RTK server narrow‐lane (NL) ambiguity resolution (AR) typically requires more than 10 min, which largely affects the ...
Pan Li +6 more
wiley +1 more source
GRENet: GNSS‐Enhanced Radar Extrapolation Network for Precipitation Nowcasting
Geophysical Research Letters, Volume 53, Issue 10, 28 May 2026.Abstract Accurate precipitation nowcasting is one of the most challenging tasks in atmospheric sciences. The current methods of nowcasting primarily rely on inferring precipitation from radar reflectivity, which inevitably leads to uncertainties in forecasts due to the limitations of single radar data in capturing the detailed initial conditions of ...
Cuixian Lu +7 more
wiley +1 more source
Determination of Tropospheric Parameters from ERA Surface Data for Space Geodetic Techniques
Remote Sensing, 2021 This study investigates methods of deriving meteorological parameters needed in space geodetic applications, from the surface data of the numerical weather model (NWM).
Wei Li, Yujin He
doaj +1 more source
Differences in Phenological Estimation From Multi‐Vegetation Indices Across the Yellow River Basin
Ecology and Evolution, Volume 16, Issue 5, May 2026.This study evaluated the differential performance of PPI, kNDVI, and EVI in monitoring land surface phenology across the Yellow River Basin. The three vegetation indices showed pronounced divergence in capturing autumn phenological metrics, particularly the downturn date (DD) and recession date (RD).
Qinyue Yu, Yan Bai, Juanle Wang
wiley +1 more source
Remote Sensing, 2019 Precise modeling of tropospheric delay and weighted mean temperature (Tm) is critical for Global Navigation Satellite System (GNSS) positioning and meteorology.
Zhangyu Sun, Bao Zhang, Yibin Yao
doaj +1 more source
Journal of Geophysical Research: Oceans, Volume 131, Issue 5, May 2026.Abstract Delayed sea ice freeze‐up and decreased sea ice extent in the Pacific Arctic region have altered light availability in marine waters, extending the ice‐free season and increasing opportunities for photosynthetic activity and energy exchanges. This study investigates phytoplankton bloom progression during the fall using chlorophyll pigments and
Clare B. Gaffey +4 more
wiley +1 more source
Propagation Problems in Satellite Navigation [PDF]
, 2007 The presentation provides an overview about the mechanisms of the main propagation phenomena which are relevant for satellite navigation, their magnitude, temporal and regional variation and standard methods to correct and mitigate ...
Hornbostel, Achim
core
Establishment of a Real-Time Local Tropospheric Fusion Model
Remote Sensing, 2019 The tropospheric delay is one major error source affecting the precise positioning provided by the global navigation satellite system (GNSS). This error occurs because the GNSS signals are refracted while travelling through the troposphere layer ...
Yibin Yao +4 more
doaj +1 more source
NSF NCAR's In Situ Sensing Facility Measurement System During the Sundowner Wind EXperiment (SWEX)
Geoscience Data Journal, Volume 13, Issue 2, April 2026.This paper details the Sundowner Wind Experiment (SWEX) datasets, which characterize downslope winds to advance understanding of boundary layer processes and improve wildfire research and forecasting. The comprehensive, quality‐controlled data from various atmospheric observational platforms will be invaluable for future multidisciplinary research ...
Jacquelyn C. Witte +9 more
wiley +1 more source
GPS-Derived zenith tropospheric delay assimilation into numeric atmosphere model
, 2020 © 2014 SPIE. The total zenith tropospheric delay (ZTD) is an important parameter of the atmosphere and directly or indirectly reflects the weather processes and variations.
Khutorova O. +3 more
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