Results 121 to 130 of about 66,368 (308)

Half a Century of Per‐ and Polyfluoroalkyl Substances in Northern Gannet Eggs: Impact of Regulations

Journal of Applied Toxicology, EarlyView.
ABSTRACT Per‐ and polyfluoroalkyl substances (PFAS), known as “forever chemicals”, are persistent organic pollutants that have been widely used in the industry across the globe for many decades. Their chemical stability, bioaccumulation, and toxicity pose major environmental and health risks. This study examines temporal trends in the concentrations of
Anaïs Fournier, Anaïs Kerric, Raphaël A. Lavoie   +2 more
wiley   +1 more source

Taking temperature readings inside Lehman Cave [PDF]

Chief Park Naturalist Keith A. Trexler taking temperature readings inside Lehman Cave as part of an interpretative research program. He was in charge of the Park Guides. This is a National Park Service photograph. He was killed in a plane crash in Alaska

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Movie filming in cave [PDF]

, 1965
Wizard of Mars (1965)Director: David L. Hewitt; Starring: John Carradine - The Wizard of Mars, Roger Gentry - Steve, Vic McGee - Doc, Jerry Rannow - Charlie, Eve Bernhardt - Dorothy.

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Photochemical performance of reproductive structures in Great Basin bunchgrasses in response to soil-water availability. [PDF]

AoB Plants, 2022
Hamerlynck EP, O'Connor RC.
europepmc   +1 more source

Projections of Meteorological Drought and Potential Evapotranspiration Using the RegCM4 Over Northeastern Iran

International Journal of Climatology, EarlyView.
We downscale CanESM2 with the Regional Climate Model version 4 (20 km) and evaluate against 15 stations to derive monthly PET (Hargreaves–Samani) and SPEI for northeastern Iran (1990–2009, 2040–2059, 2080–2099). Results show robust PET increases and a shift toward more negative monthly SPEI—especially April–September—indicating earlier onset and longer
Nasrin Salehnia, Peter T. Wolter, Sylvester Chikabvumbwa, Fateme Hosseini, Sohrab Kolsoumi, Ali Farid, Hashem Zahedipour   +6 more
wiley   +1 more source

Drill Squad at Flag Raising [PDF]

, 1922
View of the Ely Post of the American Legion Firing Squad at a flag raising ceremony at the Lehman Caves National Monument. Mrs Anthony Jurick sang the national anthem and Mr C.C.

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Remediation of tetracycline contaminatedsoiland water phases by straw-derived biochar: Adsorption performance and bacterial community evolution

Industrial Crops and Products
Tetracycline (TC), as a typical recalcitrant pollutant, posed environmental risks due to its long-term persistence. This study investigated the efficacy of straw-derived biochar (KBC800) in mitigating TC pollution in aquatic and terrestrial environments.
Hongling Dai, Zhihui Liu, Li Xu, Gaoping Xu, Yuying Hu, Peng Zhan, Fengping Hu, Xiaoming Peng   +7 more
doaj   +1 more source

Water-Use Efficiency of Co-occurring Sky-Island Pine Species in the North American Great Basin. [PDF]

Front Plant Sci, 2021
Liu X, Ziaco E, Biondi F.
europepmc   +1 more source

Spatial and Temporal Patterns of Extreme Hourly Rainfall in the Hawaiian Islands

International Journal of Climatology, EarlyView.
The extreme rainfall trends in Hawaiʻi were revealed by hourly rainfall data: Across islands, Kauaʻi and Hawaiʻi Island had larger events at a return period. Annual maximum series of 15 gauges showed significant positive trends. While extreme rainfall trends show increases or decreases regionally, the trends varied with rainfall duration.
Maxime Gayte, Yu‐Fen Huang, Yinphan Tsang, Pao‐Shin Chu, Thomas W. Giambelluca, Hanpei Zhang   +5 more
wiley   +1 more source

An endemic anuran and a horny toad: distributional histories, the potential for sympatry, and implications for conservation

California Fish and Wildlife Journal, 2021
Vernon C. Bleich
doaj   +1 more source