Results 1 to 10 of about 18,619 (157)

Association of runoff risk with private well contamination in a fractured dolostone aquifer. [PDF]

J Environ Qual
Abstract In the United States, private well owners are responsible for monitoring and maintaining their drinking water but have little control over neighboring contamination sources and limited information about daily water quality. Potential for rapid contamination in karst settings exacerbates the challenge.
Heffron J, Stokdyk JP, Burch TR, Cook RM, Firnstahl AD, Young EO, Sherman JF, Goering D, Kieke BA, Borchardt MA.   +9 more
europepmc   +2 more sources

Global groundwater contamination by geogenic fluoride. [PDF]

Environ Geochem Health
Ali S, Mishra P, Brindha K, Gutiérrez M, Kumar R, Sunkari ED, Gevera PK, Karro E, Egbueri JC, Dehbandi R, Chandrajith R, Li P, Islam ARMT, Yun ST, Sabino H, Emilio MD, Baba A, Durrani TS, Amiri V, Aqeel A, Ijumulana J, Edokpayi JN, Schafer D, Razowska-Jaworek L, Alarcón-Herrera MT, Batdelger O, Goswami R, Farooqi A, Fabio AE, Recepoğlu YK, Paz-Montelongo S, Bhattacharya P.   +31 more
europepmc   +1 more source

Microscale bioturbation as a first order control on distal prodelta to offshore mudrock reservoirs. [PDF]

Sci Rep
Ayranci K.
europepmc   +1 more source

The first leech body fossil predates estimated hirudinidan origins by 200 million years. [PDF]

PeerJ
de Carle D, Iwama RE, Wendruff AJ, Babcock LE, Nanglu K.   +4 more
europepmc   +1 more source

The Unresolved Paradox of Viable Microorganisms in Ancient Halite. [PDF]

Life (Basel)
Renshaw C, Liu Y.
europepmc   +1 more source

Marine biodiversity was greater in the presence of ecosystem engineers throughout the Phanerozoic. [PDF]

Nat Commun
Cribb AT, Darroch SAF, Gearty W.
europepmc   +1 more source

Evolution of Insect Pollination Before Angiosperms and Lessons for Modern Ecosystems. [PDF]

Insects
Negri I, Toledo ME.
europepmc   +1 more source

The barite record of the past seawater oxygen isotope composition. [PDF]

Nat Commun
Han T, Bao H, Peng Y, Lu Z, Song Y.
europepmc   +1 more source

Pore Evolution Mechanisms in the Longmaxi Formation Shale Reservoir of the Anchang Syncline under Basin-Mountain Tectonic Evolution. [PDF]

ACS Omega
Zhao Y, Wang Y, Zhang H, Chen S, Chen H, Wang H, Zhang J.   +6 more
europepmc   +1 more source

Mid-Devonian ocean oxygenation enabled the expansion of animals into deeper-water habitats. [PDF]

Proc Natl Acad Sci U S A
Bubphamanee K, Kipp MA, Meixnerová J, Stüeken EE, Ivany LC, Bartholomew AJ, Algeo TJ, Brocks JJ, Dahl TW, Kinsley J, Tissot FLH, Buick R.   +11 more
europepmc   +1 more source