Biological weathering and the long‐term carbon cycle: integrating mycorrhizal evolution and function into the current paradigm

LL Taylor, JR Leake, J Quirk, K Hardy, SA Banwart… - …, 2009 - Wiley Online Library
The dramatic decline in atmospheric CO2 evidenced by proxy data during the Devonian
(416.0–359.2 Ma) and the gradual decline from the Cretaceous (145.5–65.5 Ma) onwards …

Microbe-clay mineral interactions

H Dong, DP Jaisi, J Kim, G Zhang - American Mineralogist, 2009 - degruyter.com
Clays and clay minerals are common components in soils, sediments, and sedimentary
rocks, and they play an important role in many environmental processes. Iron is ubiquitous …

[图书][B] Introduction to geomicrobiology

KO Konhauser - 2009 - books.google.com
Introduction to Geomicrobiology is a timely and comprehensive overview of how microbial
life has affected Earth's environment through time. It shows how the ubiquity of …

Real-time observation of carbonic acid formation in aqueous solution

K Adamczyk, M Prémont-Schwarz, D Pines, E Pines… - Science, 2009 - science.org
Despite the widespread importance of aqueous bicarbonate chemistry, its conjugate acid,
carbonic acid, has remained uncharacterized in solution. Here we report the generation of …

Biogeophysics: A new frontier in Earth science research

EA Atekwana, LD Slater - Reviews of Geophysics, 2009 - Wiley Online Library
“Biogeophysics” is a rapidly evolving Earth science discipline concerned with the
geophysical signatures of microbial interactions with geologic media. It spans the …

A theoretical model coupling chemical weathering rates with denudation rates

EJ Gabet, SM Mudd - Geology, 2009 - pubs.geoscienceworld.org
Uplift of the Himalayas has been proposed to have locally accelerated chemical weathering,
thus leading to enhanced CO2 sequestration and global cooling. This hypothesis assumes …

Global patterns of dissolved silica export to the coastal zone: Results from a spatially explicit global model

AHW Beusen, AF Bouwman, HH Dürr… - Global …, 2009 - Wiley Online Library
We present a multiple linear regression model developed for describing global river export
of dissolved SiO2 (DSi) to coastal zones. The model, with river basin spatial scale and an …

Mechanism of wollastonite carbonation deduced from micro-to nanometer length scale observations

D Daval, I Martinez, JM Guigner, R Hellmann… - American …, 2009 - degruyter.com
The microstructural evolution of CaSiO3 wollastonite subjected to carbonation reactions at
T= 90° C and pCO2= 25 MPa was studied at three different starting conditions:(1) pure …

Regolith mass balance inferred from combined mineralogical, geochemical and geophysical studies: Mule Hole gneissic watershed, South India

JJ Braun, M Descloitres, J Riotte, S Fleury… - … et Cosmochimica Acta, 2009 - Elsevier
The aim of this study is to propose a method to assess the long-term chemical weathering
mass balance for a regolith developed on a heterogeneous silicate substratum at the small …

Experimental evidence for 234U–238U fractionation during granite weathering with implications for 234U/238U in natural waters

MB Andersen, Y Erel, B Bourdon - Geochimica et Cosmochimica Acta, 2009 - Elsevier
The daughter to parent (234U/238U) activity ratio in natural waters is often out of secular
radioactive equilibrium. The major reason for this disequilibrium is related to the energetic α …