User profiles for K. Dontsova

Katerina Dontsova

University of Arizona
Verified email at email.arizona.edu
Cited by 3348

Hydraulics and erosion in eroding rills

…, GA Larionov, LT West, KM Dontsova - Water Resources …, 1997 - Wiley Online Library
Rills often act as sediment sources and the dominant sediment and water transport mechanism
for hillslopes. Six experiments were conducted on two soils and a uniform sand using …

Factors influencing the partitioning and toxicity of nanotubes in the aquatic environment

…, MS Hull, JA Steevens, KM Dontsova… - … and Chemistry: An …, 2008 - Wiley Online Library
Carbon nanotubes (NTs) may be among the most useful engineered nanomaterials for structural
applications but could be difficult to study in ecotoxicological evaluations using existing …

Twelve testable hypotheses on the geobiology of weathering

…, MA Bruns, P Van Cappellen, K Dontsova… - …, 2011 - Wiley Online Library
Critical Zone (CZ) research investigates the chemical, physical, and biological processes
that modulate the Earth’s surface. Here, we advance 12 hypotheses that must be tested to …

Abiotic factors shape microbial diversity in Sonoran Desert soils

…, A Racolta, VG Martinson, K Dontsova - Applied and …, 2012 - Am Soc Microbiol
High-throughput, culture-independent surveys of bacterial and archaeal communities in soil
have illuminated the importance of both edaphic and biotic influences on microbial diversity, …

Clay dispersion, infiltration, and erosion as influenced by exchangeable Ca and Mg

KM Dontsova, LD Norton - Soil Science, 2002 - journals.lww.com
… The surface 20 cm of four soils from the Midwest, studied previously by Norton and Dontsova
(1998) , were used for this study. All of the soils are found commonly in the US Corn Belt. …

Mineral nutrient mobilization by plants from rock: influence of rock type and arbuscular mycorrhiza

C Burghelea, DG Zaharescu, K Dontsova, R Maier… - Biogeochemistry, 2015 - Springer
Rock colonization by plant roots and their associated microbiota is one of the major drivers
of mineral weathering, nutrient cycling, soil formation and ecosystem stability. Yet the …

Influence of exchangeable cations on water adsorption by soil clays

KM Dontsova, LD Norton, CT Johnston… - Soil Science Society …, 2004 - Wiley Online Library
… Because of their importance in soils, we specifically investigate the nature of water in contact
with clays exchanged with Na, K, Mg, Ca, and a mixed Ca/Mg exchanged phase. Although …

Anionic polysaccharide sorption by clay minerals

KM Dontsova, JM Bigham - Soil Science Society of America …, 2005 - Wiley Online Library
… The xanthan used in this study was purchased as a K salt from Sigma Chemical Co. (… of
different size, but it did indicate a difference between more hydrated Li + and less hydrated K + …

Surfactive stabilization of multi-walled carbon nanotube dispersions with dissolved humic substances

MA Chappell, AJ George, KM Dontsova, BE Porter… - Environmental …, 2009 - Elsevier
… absorption spectroscopy (NEXAFS) at the carbon K edge. Measurements were carried out at
the … The peaks appearing at around 270 eV are due to 2nd order contribution from oxygen K

Dissolution and transport of TNT, RDX, and Composition B in saturated soil columns

KM Dontsova, SL Yost, J Šimunek… - Journal of …, 2006 - Wiley Online Library
… Linear distribution coefficients determined from HYDRUS-1D simulations were compared
to k d s determined by five-point batch studies using RDX and TNT with 14 C radiolabel. …