Results 11 to 20 of about 423,815 (305)

The yield of multi-rowed barley (var. pallidum) in the arid steppe zone

Труды по прикладной ботанике, генетике и селекции, 2019
Background. Cultivated in the arid steppe zone of Volgograd Province is mainly two-rowed spring barley of the varieties nutans and medicum (Hordeum vulgare L. subsp. distichon (L.) Koern. var. nutans Schuebl. and H. vulgare L. subsp. distichon (L.) Koern.
G. V. Kozubovskaya, V. I. Balakshina
doaj   +1 more source

Influence of meteorological conditions on the air quality during the 2022 Winter Olympics in Beijing

Frontiers in Environmental Science, 2022
The 24th Winter Olympics was held in Beijing, and the air quality in the Beijing area has become the focus of the world’s attention. The Beijing government has taken a series of strict measures to control pollutant emissions during the Winter Olympics ...
Taihao Wang, Huadong Du, Wei Cheng, Zezheng Zhao, Jiping Zhang, Chengjun Zhou, Chengjun Zhou   +6 more
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Data-driven modeling of systemic delay propagation under severe meteorological conditions [PDF]

, 2013
The upsetting consequences of weather conditions are well known to any person involved in air transportation. Still the quantification of how these disturbances affect delay propagation and the effectiveness of managers and pilots interventions to ...
Eguiluz, Victor M., Fleurquin, Pablo, Ramasco, José J.   +2 more
core   +2 more sources

Criteria Pollutant Concentration

Undergraduate Journal of Mathematical Modeling: One + Two, 2008
With the assistance of Assistant Professor Jeff Cunningham (Civil & Environmental Engineering Department, USF) a study was carried out pertaining to the amount of CO and NOx pollutants emitted from a highway having two lanes in each direction.
Victor Neese
doaj   +1 more source

Tropospheric NO₂ Pollution Monitoring with the GF-5 Satellite Environmental Trace Gases Monitoring Instrument over the North China Plain during Winter 2018–2019

Atmosphere, 2021
The Environmental Trace Gases Monitoring Instrument (EMI) is a high-spectral-resolution payload onboard the latest pathfinder mission GaoFen-5, designed specifically for the monitoring of global atmospheric trace gas compositions and trends.
Dongshang Yang, Yuhan Luo, Yi Zeng, Fuqi Si, Liang Xi, Haijin Zhou, Wenqing Liu   +6 more
doaj   +1 more source

Study on Risk Prediction Model of Expressway Agglomerate Fog-Related Accidents

Atmosphere, 2023
Based on meteorological observations, traffic flow data and information of traffic accidents caused by fog or agglomerate fog along the expressways in Jiangsu Province and Anhui Province in China from 2012 to 2021, key impact factors including ...
Jianyang Song, Hua Tian, Xiaoyu Yuan, Jingjing Gao, Xihui Yin, Zhi Wang, Meichao Qian, Hengtong Zhang   +7 more
doaj   +1 more source

Meteorological conditions during the MOSAiC expedition [PDF]

Elementa: Science of the Anthropocene, 2021
This article sets the near-surface meteorological conditions during the Multidisciplinary drifting Observatory for the Study of Arctic Climate expedition in the context of the interannual variability and extremes within the past 4 decades. Hourly ERA5 reanalysis data for the Polarstern trajectory for 1979–2020 are analyzed.
Annette Rinke, John J. Cassano, Elizabeth N. Cassano, Ralf Jaiser, Dörthe Handorf   +4 more
openaire   +1 more source

The results of the ecological study of different ecotypes of spring barley varieties in the dry conditions of the Volgograd Province

Труды по прикладной ботанике, генетике и селекции, 2019
Background. The main limiting factor for achieving high barley yields is the insufficient moisture availability for crops in certain periods of development. When comparing growing conditions with the requirements of varieties of different ecotypes to the
G. V. Kozubovskaya, V. I. Balakshina
doaj   +1 more source

RISK ASSESSMENT METHODOLOGY FOR A FORTHCOMING FLIGHT OF HELICOPTERS TAKING INTO ACCOUNT UNFAVORABLE METEOROLOGICAL CONDITIONS

Научный вестник МГТУ ГА, 2018
The task to provide flight safety is solved both at the stage of design and manufacture of aircraft and during its operation. Flight safety is influenced by three groups of factors: a human factor, a technical factor and marginal ambient conditions.
A. L. Rybalkina, E. I. Trusova, V. D. Sharov   +2 more
doaj   +1 more source

Maize transpiration in response to meteorological conditions

Contributions to Geophysics and Geodesy, 2013
Differences in transpiration of maize (Zea mays L.) plants in four soil moisture regimes were quantified in a pot experiment. The transpiration was measured by the “Stem Heat Balance” method.
Jana KLIMEŠOVÁ, Hana STŘEDOVÁ, Tomáš STŘEDA   +2 more
doaj   +1 more source