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Agricola

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Global silicate weathering flux overestimated because of sediment-water cation exchange.

• Authors : Tipper, Edward T.¹ ; Stevenson, Emily I.¹; Alcock, Victoria¹

Subjects: *STREAM chemistry; *SILICATE minerals; *CHEMICAL weathering

• Source: Proceedings of the National Academy of Sciences of the United States of America. 1/5/2021, Vol. 118 Issue 1, p1-6. 6p.

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Shale gas development has limited effects on stream biology and geochemistry in a gradient-based, multiparameter study in Pennsylvania.

• Authors : Mumford, Adam C.; Maloney, Kelly O.; Akob, Denise M.

Subjects: OIL shales; GEOCHEMISTRY; STREAM chemistryPENNSYLVANIA

• Source: Proceedings of the National Academy of Sciences of the United States of America; 2/18/2020, Vol. 117 Issue 7, p3670-3677, 8p

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Evidence for the respiration of ancient terrestrial organic C in northern temperate lakes and streams.

• Authors : McCallister, S. Leigh; del Giorgio, Paul A.

Subjects: RESPIRATION; CARBON content of water; CARBON cycle

• Source: Proceedings of the National Academy of Sciences of the United States of America; 10/16/2012, Vol. 109 Issue 42, p16963-16968, 6p

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Sodium shortage as a constraint on the carbon cycle in an inland tropical rainforest.

• Authors : Kaspari, Michael; Yanoviak, Stephen P.; Dudley, Robert

Subjects: SODIUM; PLANT metabolism; DETRITUS

• Source: Proceedings of the National Academy of Sciences of the United States of America; 11/17/2009, Vol. 106 Issue 46, p19405-19409, 5p

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Outsized nutrient contributions from small tributaries to a Great Lake.

• Authors : Mooney, Robert J.; Stanley, Emily H.; Rosenthal, William C.

Subjects: BODIES of water; LAKES; ALGAL biofuelsUNITED States

• Source: Proceedings of the National Academy of Sciences of the United States of America; 11/10/2020, Vol. 117 Issue 45, p28175-28182, 8p

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Climate models can correctly simulate the continuum of global-average temperature variability.

• Authors : Feng Zhu; Emile-Geay, Julien; McKay, Nicholas P.

Subjects: CLIMATOLOGY; SIMULATION methods & models; OCEAN-atmosphere interaction

• Source: Proceedings of the National Academy of Sciences of the United States of America; 4/30/2019, Vol. 116 Issue 18, p8728-8733, 6p

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Stratification of reactivity determines nitrate removal in groundwater.

• Authors : Kolbe, Tamara; de Dreuzy, Jean-Raynald; Abbott, Benjamin W.

Subjects: NITRATES; GROUNDWATER analysis; BIOGEOCHEMICAL cycles

• Source: Proceedings of the National Academy of Sciences of the United States of America; 2/12/2019, Vol. 116 Issue 7, p2494-2499, 6p

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Glacial weathering, sulfide oxidation, and global carbon cycle feedbacks.

• Authors : Torres, Mark A.; Moosdorf, Nils; Hartmann, Jens

Subjects: GLACIATION; OXIDATION of sulfides; CARBON cycle

• Source: Proceedings of the National Academy of Sciences of the United States of America; 8/15/2017, Vol. 114 Issue 33, p8716-8721, 6p, 1 Diagram, 4 Graphs

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Northward extent of East Asian monsoon covaries with intensity on orbital and millennial timescales.

• Authors : Goldsmith, Yonaton; Broecker, Wallace S.; Polissar, Pratigya J.

Subjects: MONSOONS; CLOSED ecological systems; PLEISTOCENE-Holocene boundaryEAST Asia; ASIA

• Source: Proceedings of the National Academy of Sciences of the United States of America; 2/21/2017, Vol. 114 Issue 8, p1817-1821, 5p

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