THrombosis AETiology of Aviation-Related Travel: The THETA θ study by B F Jacobson, S Louw, E Schapkaitz, F Laher

“…To investigate the role of high altitude as a risk factor for ART. Methods. Healthy volunteers aged ≥18 years (N=40), without risk factors for venous thromboembolism, were exposed to an exacerbated altitude of 18 000 feet (5 486 m) for 1 hour. …”
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Thermospheric Temperature and Density Variability During 3–4 February 2022 Minor Geomagnetic Storm by F. I. Laskar, E. K. Sutton, D. Lin, K. R. Greer, S. Aryal, X. Cai, N. M. Pedatella, R. W. Eastes, W. Wang, M. V. Codrescu, W. E. McClintock

“…From the MSIS‐GOLD run we found that the thermospheric density enhancement varies with altitude from 15% (at 150) to 80% (at 500 km). Independent simulations from the MAGE model also show a comparable enhancement in neutral density. …”
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Diversity of lithophytic moss species in karst regions in response to elevation gradients. by Yalin Jin, Xiurong Wang

“…The number of family species and dominant family genera increased first and then decreased with the increase of altitude, and their distribution in elevation gradient III (1334-1515m) was the largest, with 8 families, 13 genera and 21 species. …”
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Extent of spike shedding and stem wilting of pepper (Piper nigrum L.) in Morogoro District, Tanzania by Abdul Jafari Shango, Ramadhani Omari Majubwa, Amon Petro Maerere

“…Fisher’s exact test at (α = 0.05) was used to compare the effects of production constraints and altitude. A regression analysis was performed to explore the relationship between altitude and the incidence of spike shedding and stem wilting. …”
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Effects of permafrost stability changes on vegetation dynamics in the middle part of the Greater Khingan Mountains by Jiaman Sun, Wei Shan, Chengcheng Zhang

“…Vegetation dynamics exhibited spatial heterogeneity; some low-altitude areas maintained high growth vitality despite a shortened growing season, whereas Gr-NDVI decreased in other regions. …”
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Evaluation of Calibration Method for Field Application of UAV-Based Soil Water Content Prediction Equation by Donggeun Kim, Younghwan Son, Jaesung Park, Taejin Kim, Jihun Jeon

“…Since the resolution of the images taken by the UAV is different according to the altitude, the water content estimation formula is developed by using the images taken at each altitude. …”
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Atmospheric Ionizations by Solar X‐Rays, Solar Protons, and Radiation Belt Electrons in September 2017 Space Weather Event by Kiyoka Murase, Ryuho Kataoka, Takanori Nishiyama, Kaoru Sato, Masaki Tsutsumi, Yoshimasa Tanaka, Yasunobu Ogawa, Tatsuhiko Sato

“…We first attempt to evaluate and summarize the altitude profiles of ionization for the September 2017 space weather event with cutting‐edge space‐borne and ground‐based observations of different types of particle inputs. …”
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3‐D Ionospheric Imaging Over the South American Region With a New TEC‐Based Ionospheric Data Assimilation System (TIDAS‐SA) by Ercha Aa, Shun‐Rong Zhang, Philip J. Erickson, Wenbin Wang, Anthea J. Coster, William Rideout

“…The results demonstrate that TIDAS‐SA can provide detailed and altitude‐resolved information that accurately characterizes the storm‐time ionospheric disturbances in vertical and horizontal domains over the equatorial and low‐latitude regions of South America.…”
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Assessment of Using Field‐Aligned Currents to Drive the Global Ionosphere Thermosphere Model: A Case Study for the 2013 St Patrick’s Day Geomagnetic Storm by Qingyu Zhu, Gang Lu, Astrid Maute, Yue Deng, Brian Anderson

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Statistical Characteristics of Polymer Grouting Material Microstructure by Juan Wang, Xun Li, Hongyuan Fang, Juan Zhang, Jinping Li

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Elevation variations in volatile components of St. John’s Wort (Hypericum perforatum L.) by Oktay Demir, Ayşegül Tekeş, Sermin Göksu Karagöz, Serkan Gülsoy, Münevver Arslan, Nazlı Öğüt, Şükran Oğuzoğlu

“…While it is seen the main components of the essential oils of flowers and leaves are similar in the altitude groups, the alteration is generally in other chemical components. …”
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Composition of soil fungal communities and microbial activity along an elevational gradient in Mt. Jiri, Republic of Korea by Ana Mitcov, Daegeun Ko, Kwanyoung Ko, Jaeho Kim, Neung-Hwan Oh, Hyun Seok Kim, Hyeyeong Choe, Haegeun Chung

“…Approximately 64% of the Republic of Korea comprises mountainous areas, which as cold and high-altitude regions are gravely affected by climate change. …”
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Dietary and environmental factors affecting the dynamics of the gut bacteria in Tibetan Awang sheep (Ovis aries) across divergent breeding models by Yuhao Wang, Xinping Wang, Yirong Wang, Yirong Wang, Songyu Liao, Zhaxi Pubu, Jiangcuo Silang, Lixu Chai, Siyue Zhao, Siyue Zhao

“…Meanwhile, the predominant presence of Bacteroides with increasing altitude of breeding locations indirectly demonstrates its crucial role in mediating energy acquisition among Awang sheep at high altitudes. …”
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Plateau hypoxia improves tumor immune microenvironment and inhibits subcutaneous tumor growth of colorectal cancer by ZHAO Sijie, WANG Meng, GAO Yuan

“…The mice in the plateau hypoxic group were housed in a low-pressure oxygen （10%） chamber to simulate an altitude of approximately 5 600 m， while the mice of the other group was maintained in SPF-grade normal atmospheric conditions （21% oxygen， at an altitude of about 300 m）. …”
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An experimental study of fire development under varying ventilation conditions during the depressurization process in pressurized buildings by Kaiqiang Wang, Zhigang Shang, Weijun Liu, Kang Wen, Jun Zhang, Bin Yao, Weiguo Song

“…Hermetic pressurized buildings are a new type of building in high-altitude areas that efficiently addresses issues such as high-altitude reactions. …”
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A Comparative Study on Ascorbic Acid Concentration, Total Phenol, and Flavonoid Content in Citrus Species Grown in a Different Region of Western Nepal by Roshani Gurung, Sabina Baral, Santosh Parajuli, Dhana Dhami, Sushila Ghimire

“…Different genetic and environmental factors like altitude, temperature, light radiation, etc. affect the production of phytoconstituents like ascorbic acid, phenol, flavonoid, tannin, etc. …”
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Spatiotemporal Analysis of Atmospheric Chemical Potential Anomalies Associated with Major Seismic Events (Ms ≥ 7) in Western China: A Multi-Case Study by Qijun Jiao, Qinqin Liu, Changgui Lin, Feng Jing, Jiajun Li, Yuxiang Tian, Zhenxia Zhang, Xuhui Shen

“…The distribution of vertical ACP revealed distinct altitude-dependent characteristics. The ACP at lower atmospheric layers (100–2000 m) exhibited a high correlation, and this correlation decreased with increasing altitude. …”
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The Effect of Path and Beginning Time of Ascending on Incidence of Acute Mountain Sickness around Mount Damavand in Iran (5671 m) by Reza Alizadeh, Vahid Ziaee, Lotf-Ali Frooghifard, Mohammad-Ali Mansournia, Ziba Aghsaeifard

“…AMS history, AMS history on Damavand, the beginning time of climbing, sleeping at 4200 m altitude, and home altitude had significant effect on AMS incidence, but by multiple logistic regression analysis south route and AMS history on Mount Damavand had positive effect on incidence of AMS (P=0.019 and P<0.001). …”
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Tropospheric ozone sensing with a differential absorption lidar based on a single CO₂ Raman cell by G. Fan, Y. Fu, J. Huo, Y. Xiang, T. Zhang, T. Zhang, W. Liu, Z. Ning

“…The system could effectively obtain vertical profiles of lower-tropospheric ozone in an altitude range of 0.3 to 4 km with high spatiotemporal resolutions. …”
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Land use and landscape pattern changes in the Fenhe River Basin, China by Ying Zhao, Bingqing Zhao, Fei Wang

“…Conversely, in the low-altitude plains and urban areas with frequent human activities, SHDI values exceeded 1.0, reaching above 1.5 in urban areas. …”
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