Vegetation on the move: elevational shifts and greening dynamics across the Himalayan alpine zone
Ecography, EarlyView.This study investigates alpine ‘vegetation line' (the upper limit of continuous plant community) dynamics in the Himalayan alpine zone (HAZ) over a 24‐year timescale (1999–2022) using maximum NDVI products derived from Landsat series datasets, adjusted for sampling bias using phenological modelling.
Ruolin Leng +5 more
wiley +1 more source
Development and flight test of a helicopter compact, portable, precision landing system concept [PDF]
An airborne, radar-based, precision approach concept is being developed and flight tested as a part of NASA's Rotorcraft All-Weather Operations Research Program.
Bull, J. S. +3 more
core +1 more source
Beyond birds: rethinking bird‐centered pathogen models in light of insect migration
Ecography, EarlyView.Migration redistributes biomass, nutrients, and pathogens across ecosystems. For decades, migratory birds have been treated as the default long‐distance pathogen vectors, shaping both conceptual frameworks and empirical models of disease ecology.
Virginia Morandini
wiley +1 more source
IEEE Journal of Selected Topics in Applied Earth Observations and Remote SensingBecause individual meteorological radar units have limited observation coverage, networks of multiple meteorological radars typically must be deployed.
Tsubasa Goto +3 more
doaj +1 more source
VHF downline communication system for SLAR data [PDF]
A real time VHF downlink communication system is described for transmitting side-looking airborne radar (SLAR) data directly from an aircraft to a portable ground/shipboard receiving station. Use of this receiving station aboard the U.S.
Chase, T. L. +5 more
core +1 more source
Systems and methods for supplemental weather information presentation on a display [PDF]
, 2010 An embodiment of the supplemental weather display system presents supplemental weather information on a display in a craft. An exemplary embodiment receives the supplemental weather information from a remote source, determines a location of the ...
Bunch, Brian
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ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.A first‐of‐its‐kind review benchmarks three solar methane valorization pathways with unified performance metrics for clean fuel production. Meeting global climate targets and sustainable energy demands requires carbon‐neutral fuels and innovative conversion pathways.
Muhammad Abdulmoez +3 more
wiley +1 more source
Assessing rainfall radar errors with an inverse stochastic modelling framework [PDF]
Hydrology and Earth System SciencesWeather radar is a crucial tool for rainfall observation and forecasting, providing high-resolution estimates in both space and time. Despite this, radar rainfall estimates are subject to many error sources – including attenuation, ground clutter, beam ...
A. C. Green, C. Kilsby, A. Bárdossy
doaj +1 more source
Preliminary Study on the Feasibility of Performing Quantitative Precipitation Estimation Using X-band Radar [PDF]
IRCTR has built an experimental X-band Doppler po-larimetric weather radar system aimed at obtaining high temporal and spatial resolution measurements of precipitation, with particular interest in light rain and drizzle. In this paper a first analysis of
Beek van de, C.Z. +3 more
core +1 more source
Simultaneous fine structure observation of wind and temperature profiles by the Arecibo 430-MHz radar and in situ measurements [PDF]
, 1986 A simultaneous campaign of balloon and radar measurements took place on March 14 to 16, 1984, above the Arecibo 430-MHz radar. This radar was operating with a vertical resolution of 150 m following two antenna beam directions: 15 deg.
Bertin, F. +4 more
core +1 more source