Dr. A. Joshua West

Representative Academic Publications (updated early March 2014)

Bold and italicized: authors who are or were students or postdocs under my supervision; * indicates students at USC


PLEASE NOTE THAT THIS WAS LAST UPDATED IN MARCH 2014; FOR MORE RECENT PUBLICATIONS PLEASE SEE MY PUBLICATIONS LISTED IN CHRONOLOGICAL ORDER


Publications grouped by research topic; does not include conference abstracts (note some publications overlap and fall into more than one category; see list by chronological order for simple total publications)


Earth's geologic carbon cycle and long-term climate: isotopic and modeling insights

Ponton, C.*, West, A.J., Feakins, S., and Galy, V. Biomarkers in transit reveal the nature of fluvial integration. Submitted March 2014.

Moosdorf, N., Hartmann, J., and West, A.J. Chemical weathering under ice: impacts on the present and past carbon cycle. Submitted November 2013.

Li G-J. and West A.J. Increased continental weathering flux through the Cenozoic inferred from the lithium isotope evolution of seawater. Resubmission in review.

(28) Torres, M.*, West A.J. and Li G-J. 2014. Sulphide oxidation and carbonate weathering as a source of CO2 over geological timescales. Nature 507: 346-349.

(22) Georg R.B., West A.J., Vance D., Newman K., and Halliday A.N. 2013. Is the marine osmium isotope record a probe for CO2 release from sedimentary rocks? Earth and Planetary Science Letters 367: 28-38.

(21) Keech A.R., West A.J., Pett-Ridge J., and Henderson G. 2013. Evaluating U-series tools for weathering rate and duration on a soil sequence of known ages. Earth and Planetary Science Letters 374: 24-35. doi: 10.1016/j.epsl.2013.04.032

(18) West A.J. 2012. The depth of the chemical weathering zone and implications for erosional and climatic drivers of weathering and for carbon-cycle feedbacks. Geology 40: 811-814.

(17) Martindale R.C., Berelson W.M., Corsetti F.A., Bottjer D.J., West A.J. 2012. Constraining carbonate chemistry at a potential ocean acidification event (the Triassic– Jurassic boundary) using the presence of corals and coral reefs in the fossil record. Palaeogeography, Palaeoclimatology, Palaeoecology 350-352: 114-123.

(16) West A.J. 2011. Snowballs limited by weathering. Nature Geoscience 4: 824-826.

(12) Georg R.B., West A.J., Basu A.R., and Halliday, A.N. 2009. Silicon fluxes and isotope composition of direct groundwater discharge into the Bay of Bengal and the effect on the global ocean silicon isotope budget, Earth and Planetary Science Letters 283: 67-74.

(9) Knudsen M.F., Henderson G.M., MacNiocaill C., and West A.J. 2007. Seven thousand year duration for a geomagnetic excursion constrained by Th-230(xs). Geophysical Research Letters 34(22): L22302.

(8) Georg R.B., Reynolds B.C., West A.J., Burton K.W., and Halliday A.N. 2007. Silicon isotope variations accompanying basalt weathering in Iceland. Earth and Planetary Science Letters 261: 476-490.

(6) West A.J., Galy A., Bickle M.J. 2005. Tectonic and climatic controls on silicate weathering. Earth and Planetary Science Letters 235: 211-228.


Process-investigation of geomorphic and erosional controls on carbon cycle fluxes

Ponton, C.*, West, A.J., Feakins, S., and Galy, V. Biomarkers in transit reveal the nature of fluvial integration. Submitted March 2014.

Li G.*, Wang X., Yang Z., Mao C., West A.J., and Ji J. Significant organic carbon sequestration in the Changjiang (Yangtze) Basin, China. Submitted February 2014.

Clark, K.E., West A.J., Hilton R.G., Asner G.P., Silman M.R., Saatchi S., Quesada C.A., Farfan Rios W., Martin R.E., New M., and Malhi Y. Fluvial incision links landslides, carbon transfer and plant diversity in an Andean Valley. In revision.

(26) Opfergelt S., Burton K.W., Georg B., West A.J., Guicharnaud R., Sigfusson B., Siebert C., Gislason S.R., and Halliday A.N. 2014. Magnesium retention on the soil exchange complex controlling Mg isotope variations in soils, soil solutions, and vegetation in volcanic soils, Iceland. Geochimica et Cosmochimica Acta 125: 110-130. doi: 10.1016/j.gca.2013.09.036

(25) Hartmann J., Moosdorf N., Lauerwald R., Hinderer M., and West A.J. 2014. Global chemical weathering and associated P-release - the role of lithology, temperature and soil properties. Chemical Geology 363: 145-163. doi: 10.1016/j.chemgeo.2013.10.025

(23) Hartmann J., West A.J., Renforth, P., Koehler P., de la Rocha C., Wolf-Gladrow D., Durr H., and Scheffran J. 2013. Enhanced chemical weathering as a geoengineering strategy to reduce atmospheric carbon dioxide, a nutrient source, and to mitigate ocean acidification. Reviews of Geophysics 51: 113-149.

(21) Keech A.R., West A.J., Pett-Ridge J., and Henderson G. 2013. Evaluating U-series tools for weathering rate and duration on a soil sequence of known ages. Earth and Planetary Science Letters 374: 24-35. doi: 10.1016/j.epsl.2013.04.032

(20) Clark K.E., Hilton R.G., West A.J., Malhi Y., Grocke D.R., Bryant C.L., Ascough P.L., Robles A.C., and New M. 2013. New views on ‘old’ carbon in the Amazon River: Insight from the source of organic carbon eroded from the Peruvian Andes, Geochemistry, Geophysics, Geosystems, 14: 1644-1659.

(18) West A.J. 2012. The depth of the chemical weathering zone and implications for erosional and climatic drivers of weathering and for carbon-cycle feedbacks. Geology 40: 811-814.

(15) West A.J., Lin C.-W., Lin T.-C., Hilton, R.G., Liu S.-H., Chang C.-T., Lin K.C., Galy A., Sparkes R.B., and Hovius N. 2011. Mobilization and transport of coarse woody debris to the oceans triggered by an extreme tropical storm. Limnology and Oceanography 56(1): 77-85.

(14) Calmels D., Galy A., Hovius N., Bickle M., West A.J., Chen M.-C., and Chapman H. 2011. Contribution of deep groundwater to the weathering budget in a rapidly eroding mountain belt, Taiwan. Earth and Planetary Science Letters, 303: 48-58.

(13) West A.J., Jin Z.D., Zhang F. 2010. Changes in dissolved ion concentrations of the Min Jiang associated with the 2008 Wenchuan earthquake. Journal of Earth Environment 2: 90-99.

(7) Tipper E.T., Bickle M.J., Galy A., West A.J., Pomies C., and Chapman H.J. 2006. The short term climatic sensitivity of carbonate and silicate weathering fluxes: Insight from seasonal variations in river chemistry. Geochimica et Cosmochimica Acta 70: 2737-2754.

(6) West A.J., Galy A., Bickle M.J. 2005. Tectonic and climatic controls on silicate weathering. Earth and Planetary Science Letters 235: 211-228.

(4) West A.J., Bickle M.J., Collins R., et al. 2002. Small-catchment perspective on Himalayan weathering fluxes. Geology 30 (4): 355-358.

(1) Moulton K.L., West J., Berner R.A. 2000. Solute flux and mineral mass balance approaches to the quantification of plant effects on silicate weathering. American Journal of Science 300 (7): 539-570.  


Erosion and mountain building over geologic time

Wang, J., Jin, Z.D., Hilton, R.G., Zhang, F., Densmore, A.L., Li, G.*, and West, A.J. A long-lived fluvial memory of sediment mobilised by earthquake-triggered landslides. Submitted March 2014.

(29) West, A.J., Hetzel, R., Li, G.*, Jin, Z.D., Zhang, F., Densmore, A.L., and Hilton, R.G. 2014. Dilution of 10Be in detrital quartz by earthquake-induced landslides: implications for determining denudation rates and potential to provide insights into landslide sediment dynamics. Earth and Planetary Science Letters 396. doi: 10.1016/j.epsl.2014.03.058

(27) Li, G.*, West, A.J., Densmore, A., Jin, Z.D., Parker, R., and Hilton, R.G. 2014. Seismic mountain building: landslides associated with the 2008 Wenchuan earthquake in the context of a generalized model for earthquake volume balance. Geochemistry, Geophysics, Geosystems 15. doi: 10.1002/2013GC005067

(24) West A.J., Fox M., Walker R.T., Carter A., Harris T., Watts A.B., and Gantulga B. 2013. Links between climate, erosion, uplift, and topography during intracontinental mountain building of the Hangay Dome, Mongolia. Geochemistry, Geophysics, Geosystems 14: 5171-5193. doi: 10.1002/2013GC004859

(11) Nissen E.T., Walker R.T., Bayasgalan A., Carter A., Fattahi M., Molor E., Schnabel C., West A.J., and Xu S. 2009. The late Quaternary slip-rate of the Har-Us-Nuur fault (Mongolian Altai) from cosmogenic 10Be and luminescence dating. Earth and Planetary Science Letters 286: 467-478.

(10) West, A.J. 2008. Mountains and monsoons. Nature Geoscience 1(12): 814-815.  


Geomorphic and erosional controls on life-sustaining soil and ecosystem processes

Pinedo-Gonzalez, P.*, West, A.J., Rivera-Duarte, I., and Sañudo-Wilhemy, S.A. Day is not night and night is not day: Diel changes in trace metal concentration and distribution in the southern California coastal ocean and implications for studying metals in the marine realm. In revision.

Clark, K.E., West A.J., Hilton R.G., Asner G.P., Silman M.R., Saatchi S., Quesada C.A., Farfan Rios W., Martin R.E., New M., and Malhi Y. Fluvial incision links landslides, carbon transfer and plant diversity in an Andean Valley. In revision.

(26) Opfergelt S., Burton K.W., Georg B., West A.J., Guicharnaud R., Sigfusson B., Siebert C., Gislason S.R., and Halliday A.N. 2014. Magnesium retention on the soil exchange complex controlling Mg isotope variations in soils, soil solutions, and vegetation in volcanic soils, Iceland. Geochimica et Cosmochimica Acta 125: 110-130. doi: 10.1016/j.gca.2013.09.036

(25) Hartmann J., Moosdorf N., Lauerwald R., Hinderer M., and West A.J. 2014. Global chemical weathering and associated P-release - the role of lithology, temperature and soil properties. Chemical Geology 363: 145-163. doi: 10.1016/j.chemgeo.2013.10.025

(23) Hartmann J., West A.J., Renforth, P., Koehler P., de la Rocha C., Wolf-Gladrow D., Durr H., and Scheffran J. 2013. Enhanced chemical weathering as a geoengineering strategy to reduce atmospheric carbon dioxide, a nutrient source, and to mitigate ocean acidification. Reviews of Geophysics 51: 113-149.

(19) Hilton R.G., Galy A., West A.J., Hovius N., and Roberts G.G. 2012. Geomorphic control on the d15N of mountain forest. Biogeosciences 9: 12593-12626.

(3) Thornton G.J.P., Oliver L.S., West A.J. 2001. Acid sensitivity of three large Nepalese catchments: Case study of Bhote Kosi, Everest and Langtang. Water, Air and Soil Pollution 130 (1-4): 849-854.

(2) West A.J., Findlay S.E.G., Burns D.A., et al. 2001. Catchment-scale variation in the nitrate concentrations of groundwater seeps in the Catskill Mountains, New York, USA. Water, Air and Soil Pollution 132 (3-4): 389-400.


Other topics

(5) West A.J. 2003. Forests and national security: British and American forestry policy in the wake of World War I. Environmental History 8 (2): 270-293.