Results 41 to 50 of about 52,672 (238)
Impact of small‐scale gravity waves on tracer transport
Quarterly Journal of the Royal Meteorological Society, EarlyView.We extend a gravity wave (GW) parametrization to calculate the tracer transport due to the GW–Stokes drift and next‐order effects, where the approach is validated by comparing coarse‐resolution simulations with parametrized GWs to high‐resolution, wave‐resolving reference simulations.
Irmgard Knop +2 more
wiley +1 more source
On the signature of the cirrus twilight zone
Environmental Research Letters, 2014 Cirrus clouds are known to play a key role in the climate system, but their overall effect on Earth’s radiation budget is not yet fully quantified. The uncertainties are, in part, due to ambiguities in cirrus extent or coverage. Here we show that despite
Uri Wollner +3 more
doaj +1 more source
Cirrus cloud retrieval with MSG/SEVIRI using artificial neural networks [PDF]
Atmospheric Measurement Techniques, 2017 Cirrus clouds play an important role in climate as they tend to warm the Earth–atmosphere system. Nevertheless their physical properties remain one of the largest sources of uncertainty in atmospheric research.
J. Strandgren +3 more
doaj +1 more source
Comparison between microphysical model simulation and observed cirrus clouds formation within a volcanic aerosol layer in the Tropical Tropopause Layer [PDF]
, 2012 In order to know the formation process of cirrus clouds in tropical tropopause layer, we used a microphysical numerical model to calculate nucleation and growing process of cirrus cloud particles, and compared the results of the model simulations with ...
Sakurai, Mayuko
core +2 more sources
Use of high-resolution measurements for the retrieval of temperature and gas-concentration profiles from outgoing infrared spectra in the presence of cirrus clouds [PDF]
, 2003 We explore ways in which high-spectral-resolution measurements can aid in the retrieval of atmospheric temperature and gas-concentration profiles from outgoing infrared spectra when optically thin cirrus clouds are present.
Huang, Xianglei L. +2 more
core +1 more source
Weather, EarlyView.Lowest‐layer cloud base height (CBH) measurements obtained between July 2018 and December 2019 from four ceilometers at the Korea Standard Meteorological Observatory were compared to determine how ceilometer installation angle differentially affects CBH measurements.
Jaewon Kim +3 more
wiley +1 more source
, 2002 A contrail (a term introduced for “condensation trail” in 1942 by British pilots) is a visible cloud forming behind aircraft, mainly due to water vapor emissions from the engines. Contrails were first observed behind propeller-driven aircraft in 1915 but form as well from the exhaust of jet engines in cold ambient air (Schumann 1996a).
openaire +4 more sources
A New Genus and Two New Species of Unarmed Hymenolepidid Cestodes (Cestoda: Hymenolepididae) from Geomyid Rodents in Mexico and Costa Rica [PDF]
, 2020 Two new cestodes of the family Hymenolepididae are described from two species of rodents of the family Geomyidae collected in Mexico and Costa Rica. One new species of Hymenolepis is described from Cratogeomys planiceps Merriam 1895 from near Toluca ...
Campbell, Mariel +3 more
core +3 more sources
Impacts to the mountain‐valley circulation from the 2023 annular solar eclipse
Weather, EarlyView.In October 2023, as part of the Nationwide Eclipse Ballooning Project (NEBP), faculty and students from the University of North Dakota (UND) in coordination with Pueblo Community College Southwest collected weather observations during an annular solar eclipse colloquially known as a ‘ring of fire’ eclipse.
Jared W. Marquis +4 more
wiley +1 more source
High‐frequency gravity waves and homogeneous ice nucleation in tropical tropopause layer cirrus
Geophysical Research Letters, 2016 The impact of high‐frequency gravity waves on homogeneous‐freezing ice nucleation in cold cirrus clouds is examined using parcel model simulations driven by superpressure balloon measurements of temperature variability experienced by air parcels in the ...
Eric J. Jensen +10 more
doaj +1 more source