Journal of South American Earth Sciences - 39, 2012

Contents:

Editorial Board

Geochronological correlation of the main coal interval in Brazilian Lower Permian: Radiometric dating of tonstein and calibration of biostratigraphic framework
Margarete Wagner Simas, Margot Guerra-Sommer, Miriam Cazzulo-Klepzig, Rualdo Menegat, Joao Orestes Schneider Santos, José Alcides Fonseca Ferreira, Isabela Degani-Schmidt

Footprints of large theropod dinosaurs and implications on the age of Triassic biotas from Southern Brazil
Rafael Costa da Silva, Ronaldo Barboni, Tânia Dutra, Michel Marques Godoy, Raquel Barros Binotto

Contrasted crustal sources as defined by whole-rock and Sr–Nd–Pb isotope geochemistry of neoproterozoic early post-collisional granitic magmatism within the Southern Brazilian Shear Belt, Camboriú, Brazil
Luana Moreira Florisbal, Valdecir de Assis Janasi, Maria de Fátima Bitencourt, Lauro Valentim Stoll Nardi, Larry M. Heaman

Radium mass balance and submarine groundwater discharge in Sepetiba Bay, Rio de Janeiro State, Brazil
Joseph M. Smoak, Christian J. Sanders, Sambasiva R. Patchineelam, Willard S. Moore

Presence of the extinct sawfish, Onchosaurus (Neoselachii, Sclerorhynchiformes) in the Late Cretaceous of Peru with a review of the genus
Jürgen Kriwet, Stefanie Klug

Whole-rock geochemistry and Sr–Nd isotopic composition of the pre-rift sequence of the Camamu Basin, northeastern Brazil
D.R.A. Silva, A.M.P. Mizusaki, E.J. Milani, M. Pimentel, K. Kawashita

Tectonic and climatic shaping of the northern Andes and southern Caribbean margin
German Bayona, Brian K. Horton, Andrés Reyes-Harker

Tectonostratigraphy of the Cenozoic Tumaco forearc basin (Colombian Pacific) and its relationship with the northern Andes orogenic build up
Carlos Borrero, Andrés Pardo, Carlos Marcelo Jaramillo, Jairo Alonso Osorio, Agustín Cardona, Abel Flores, Sebastián Echeverri, Sebastián Rosero, Jenny García, Hardany Castillo

The paleogene synorogenic succession in the northwestern Maracaibo block: Tracking intraplate uplifts and changes in sediment delivery systems
R.C. Ayala, G. Bayona, A. Cardona, C. Ojeda, O.C. Montenegro, C. Montes, V. Valencia, C. Jaramillo

The asymmetric evolution of the Colombian Eastern Cordillera. Tectonic inheritance or climatic forcing? New evidence from thermochronology and sedimentology
Juan Carlos Ramirez-Arias, Andrés Mora, Jorge Rubiano, Ian Duddy, Mauricio Parra, Nestor Moreno, Daniel Stockli, Wilson Casallas

Linked basin sedimentation and orogenic uplift: The Neogene Barinas basin sediments derived from the Venezuelan Andes
Johan P. Erikson, Shari A. Kelley, Peter Osmolovsky, Kenneth L. Verosub

The final phase of tropical lowland conditions in the axial zone of the Eastern Cordillera of Colombia: Evidence from three palynological records
D. Ochoa, C. Hoorn, C. Jaramillo, G. Bayona, M. Parra, F. De la Parra

Paleoenvironmental reconstruction for the lower Pliocene Arroyo Piedras section (Tubará – Colombia): Implications for the Magdalena River – paleodelta’s dynamic
C.E. Molinares, J.I. Martinez, F. Fiorini, J. Escobar, C. Jaramillo

Analysis of curved folds and fault/fold terminations in the southern Upper Magdalena Valley of Colombia
Giovanny Jiménez, John Rico, German Bayona, Camilo Montes, Alexis Rosero, Daniel Sierra
    
Structural and thermochronological evidence for Paleogene basement-involved shortening in the axial Eastern Cordillera, Colombia
Joel E. Saylor, Brian K. Horton, Daniel F. Stockli, Andrés Mora, Jaime Corredor

Three-dimensional structural evolution and kinematics of the Piedemonte Llanero, Central Llanos foothills, Eastern Cordillera, Colombia
Obi Egbue, James Kellogg

Deformation partitioning in the Llanos foreland basin during the Cenozoic and its correlation with mountain building in the hinterland
Andrea Delgado, Andrés Mora, Andrés Reyes-Harker

3D geological modeling of the Trujillo block: Insights for crustal escape models of the Venezuelan Andes
Damien Dhont, Bernard Monod, Yves Hervouët, Guillaume Backé, Stéphanie Klarica, José E. Choy

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Biogeosciences - 9 (6), 2012

Contents:

A molecular perspective on the ageing of marine dissolved organic matter
R. Flerus, O. J. Lechtenfeld, B. P. Koch, S. L. McCallister, P. Schmitt-Kopplin, R. Benner, K. Kaiser, and G. Kattner

Oxygen exchange and ice melt measured at the ice-water interface by eddy correlation
M. H. Long, D. Koopmans, P. Berg, S. Rysgaard, R. N. Glud, and D. H. Sogaard

Apparent oxygen utilization rates calculated from tritium and helium-3 profiles at the Bermuda Atlantic Time-series Study site
R. H. R. Stanley, S. C. Doney, W. J. Jenkins, and D. E. Lott, III

Organic matter dynamics and stable isotope signature as tracers of the sources of suspended sediment
Y. Schindler Wildhaber, R. Liechti, and C. Alewell

Differential long-term effects of climate change and management on stocks and distribution of soil organic carbon in productive grasslands
A. M. G. De Bruijn, P. Calanca, C. Ammann, and J. Fuhrer

Interaction between hydrocarbon seepage, chemosynthetic communities, and bottom water redox at cold seeps of the Makran accretionary prism: insights from habitat-specific pore water sampling and modeling
D. Fischer, H. Sahling, K. Nöthen, G. Bohrmann, M. Zabel, and S. Kasten

Snowpack concentrations and estimated fluxes of volatile organic compounds in a boreal forest
H. Aaltonen, J. Pumpanen, H. Hakola, T. Vesala, S. Rasmus, and J. Bäck

Organic matter sources, fluxes and greenhouse gas exchange in the Oubangui River (Congo River basin)
S. Bouillon, A. Yambélé, R. G. M. Spencer, D. P. Gillikin, P. J. Hernes, J. Six, R. Merckx, and A. V. Borges

On the uncertainty of phenological responses to climate change, and implications for a terrestrial biosphere model
M. Migliavacca, O. Sonnentag, T. F. Keenan, A. Cescatti, J. O'Keefe, and A. D. Richardson

Changes in the Adriatic oceanographic properties induced by the Eastern Mediterranean Transient
I. Vilibić, S. Matijević, J. Šepić, and G. Kušpilić

Contributions of ectomycorrhizal fungal mats to forest soil respiration
C. L. Phillips, L. A. Kluber, J. P. Martin, B. A. Caldwell, and B. J. Bond

Towards a merged satellite and in situ fluorescence ocean chlorophyll product
H. Lavigne, F. D'Ortenzio, H. Claustre, and A. Poteau

Remote sensing of coccolithophore blooms in selected oceanic regions using the PhytoDOAS method applied to hyper-spectral satellite data
A. Sadeghi, T. Dinter, M. Vountas, B. Taylor, M. Altenburg-Soppa, and A. Bracher

Revisiting land cover observation to address the needs of the climate modeling community
S. Bontemps, M. Herold, L. Kooistra, A. van Groenestijn, A. Hartley, O. Arino, I. Moreau, and P. Defourny

Dissolved organic carbon dynamics in a UK podzolic moorland catchment: linking storm hydrochemistry, flow path analysis and sorption experiments
M. I. Stutter, S. M. Dunn, and D. G. Lumsdon

Bacterial assemblages of the eastern Atlantic Ocean reveal both vertical and latitudinal biogeographic signatures
C. J. Friedline, R. B. Franklin, S. L. McCallister, and M. C. Rivera

Technical Note: Calibration and validation of geophysical observation models
M. S. Salama, R. Van der Velde, H. J. van der Woerd, J. C. Kromkamp, C. J. M. Philippart, A. T. Joseph, P. E. O'Neill, R. H. Lang, T. Gish, P. J. Werdell, and Z. Su

Basin-wide variations in Amazon forest structure and function are mediated by both soils and climate
C. A. Quesada, O. L. Phillips, M. Schwarz, C. I. Czimczik, T. R. Baker, S. Patino, N. M. Fyllas, M. G. Hodnett, R. Herrera, S. Almeida, E. Alvarez Dávila, A. Arneth, L. Arroyo, K. J. Chao, N. Dezzeo, T. Erwin, A. di Fiore, N. Higuchi, E. Honorio Coronado, E. M. Jimenez, T. Killeen, A. T. Lezama, G. Lloyd, G. López-González, F. J. Luizao, Y. Malhi, A. Monteagudo, D. A. Neill, P. Núnez Vargas, R. Paiva, J. Peacock, M. C. Penuela, A. Pena Cruz, N. Pitman, N. Priante Filho, A. Prieto, H. Ramírez, A. Rudas, R. Salomao, A. J. B. Santos, J. Schmerler, N. Silva, M. Silveira, R. Vásquez, I. Vieira, J. Terborgh, and J. Lloyd

Effects of elevated CO2 and N fertilization on plant and soil carbon pools of managed grasslands: a meta-analysis
W. M. A. Sillen and W. I. J. Dieleman

Activity and diversity of methane-oxidizing bacteria in glacier forefields on siliceous and calcareous bedrock
P. A. Nauer, B. Dam, W. Liesack, J. Zeyer, and M. H. Schroth

Novel water source for endolithic life in the hyperarid core of the Atacama Desert
J. Wierzchos, A. F. Davila, I. M. Sánchez-Almazo, M. Hajnos, R. Swieboda, and C. Ascaso

Organic and inorganic carbon in the topsoil of the Mongolian and Tibetan grasslands: pattern, control and implications
Y. Shi, F. Baumann, Y. Ma, C. Song, P. Kühn, T. Scholten, and J.-S. He

Direct observations of diel biological CO2 fixation on the Scotian Shelf, northwestern Atlantic Ocean
H. Thomas, S. E. Craig, B. J. W. Greenan, W. Burt, G. J. Herndl, S. Higginson, L. Salt, E. H. Shadwick, and J. Urrego-Blanco

Does atmospheric CO2 seasonality play an important role in governing the air-sea flux of CO2?
P. R. Halloran

Soil organic carbon storage changes in coastal wetlands of the modern Yellow River Delta from 2000 to 2009
J. Yu, Y. Wang, Y. Li, H. Dong, D. Zhou, G. Han, H. Wu, G. Wang, P. Mao, and Y. Gao

A global compilation of dissolved iron measurements: focus on distributions and processes in the Southern Ocean
A. Tagliabue, T. Mtshali, O. Aumont, A. R. Bowie, M. B. Klunder, A. N. Roychoudhury, and S. Swart

Calcium carbonate production response to future ocean warming and acidification
A. J. Pinsonneault, H. D. Matthews, E. D. Galbraith, and A. Schmittner

Impact of rapid sea-ice reduction in the Arctic Ocean on the rate of ocean acidification
A. Yamamoto, M. Kawamiya, A. Ishida, Y. Yamanaka, and S. Watanabe



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