emayorga carbon [96 articles]

Interannual variability of the global carbon cycle (1992–2005) inferred by inversion of atmospheric CO2 and δ13CO2 measurements

Global Biogeochemical Cycles, Vol. 22 (24 July 2008), GB3008.

by PJ Rayner, RM Law, CE Allison, RJ Francey, CM Trudinger, C Pickett-Heaps

posted to models inversion interannual global co2 carbon atmospheric_co2 atmosphere 13c by emayorga on 2008-07-26 14:56:56 as

Lability of DOC transported by Alaskan rivers to the Arctic Ocean

Geophysical Research Letters, Vol. 35 (9 February 2008), L03402.

by Robert M Holmes, James W Mcclelland, Peter A Raymond, Breton B Frazer, Bruce J Peterson, Marc Stieglitz

posted to seasonality rivers river_export ocean doc coastal carbon boreal arctic by emayorga on 2008-07-25 15:51:26 as along with 1 person mblwhoi

Recent changes in nitrate and dissolved organic carbon export from the upper Kuparuk River, North Slope, Alaska

Journal of Geophysical Research, Vol. 112 (8 November 2007), G04S60.

by JW Mcclelland, M Stieglitz, Feifei Pan, RM Holmes, BJ Peterson

posted to trends rivers river_export nutrients nitrogen nitrate model kuparuk doc climate_change carbon boreal arctic alaska by emayorga on 2008-07-25 15:34:19 as along with 1 person mblwhoi

Dissolved organic carbon chemistry and dynamics in contrasting forest and grassland soils

Biogeochemistry

by Jonathan Sanderman, Jeffrey Baldock, Ronald Amundson

posted to usa sorption soils soilprofile soilorganiccarbon soc percolation organicmatter grasslands forests doc c_n_ratio carbon california 14c 13c by emayorga on 2008-07-16 22:28:13 as

Climate-Driven Increases in Global Terrestrial Net Primary Production from 1982 to 1999

Science, Vol. 300, No. 5625. (6 June 2003), pp. 1560-1563.

by Ramakrishna R Nemani, Charles D Keeling, Hirofumi Hashimoto, William M Jolly, Stephen C Piper, Compton J Tucker, Ranga B Myneni, Steven W Running

posted to terrestrial remotesensing primary_production npp global climate carbon avhrr by emayorga on 2008-07-01 12:16:01 as along with 1 person and 2 groups Flit biodiversity_conservation Global_biodiversity_model

Himalayan metamorphic CO2 fluxes: Quantitative constraints from hydrothermal springs

Earth and Planetary Science Letters, Vol. 265, No. 3-4. (30 January 2008), pp. 616-629.

by John A Becker, Mike J Bickle, Albert Galy, Tim J Holland

posted to weathering rivers nepal mountains metamorphic hydrothermal_springs himalaya geothermal degassing co2 carbon alkalinity by emayorga on 2008-06-29 14:37:11 as

ATMOSPHERIC SCIENCE: Himalaya--Carbon Sink or Source?

Science, Vol. 320, No. 5884. (27 June 2008), pp. 1727-1728.

by Jerome Gaillardet, Albert Galy

posted to streams paleo mountains himalaya geothermal degassing co2 carbonates carbon by emayorga on 2008-06-27 21:23:13 as along with 1 person harish

Regional patterns of radiocarbon and fossil fuel-derived CO2 in surface air across North America

Geophysical Research Letters, Vol. 34 (23 January 2007), L02816.

by Diana Y Hsueh, Nir Y Krakauer, James T Randerson, Xiaomei Xu, Susan E Trumbore, John R Southon

posted to vegetation troposphere north_america fossil_fuel co2 carbon atmospherictransport atmospheric_co2 14c by emayorga on 2008-06-21 14:16:24 as

Mineralization of ancient carbon in the subsurface of riparian forests

Journal of Geophysical Research, Vol. 113 (10 May 2008), G02021.

by Noel P Gurwick, Daniel M Mccorkle, Peter M Groffman, Arthur J Gold, DQ Kellogg, Peter Seitz-Rundlett

posted to wood wetlands temperate sediments rivers river_corridor riparian residence_time ms_amz_oc_isotop floodplain decomposition coarse_woody_debris carbon age 14c by emayorga on 2008-05-12 15:30:50 as along with 1 person mblwhoi

The Temporal Distribution and Carbon Storage of Large Oak Wood in Streams and Floodplain Deposits

Ecosystems

by Richard Guyette, Daniel Dey, Michael Stambaugh

posted to wood wetlands usa temperate sediments rivers river_corridor riparian residence_time ms_amz_oc_isotop floodplain coarse_woody_debris carbon age 14c by emayorga on 2008-05-12 15:28:38 as

Mangrove production and carbon sinks: A revision of global budget estimates

Global Biogeochemical Cycles, Vol. 22 (9 May 2008), GB2013.

by Steven Bouillon, Alberto V Borges, Edward Castañeda-Moya, Karen Diele, Thorsten Dittmar, Norman C Duke, Erik Kristensen, Shing Y Lee, Cyril Marchand, Jack J Middelburg, Victor H Rivera-Monroy, Thomas, Robert R Twilley

posted to tropical synthesis respiration production poc npp mangrove global doc dic coastal co2 carbon budget by emayorga on 2008-05-12 14:58:00 as along with 1 person Flit

Close mass balance of long-term carbon fluxes from ice-core CO2 and ocean chemistry records

Nature Geosci, Vol. 1, No. 5. (May 2008), pp. 312-315.

by Richard E Zeebe, Ken Caldeira

posted to weathering silicates paleo oceans ocean_geochemistry co2 carbonatesystem carbonates carbon atmosphericco2 by emayorga on 2008-05-03 17:10:38 as along with 1 person nurban

Effects of acid mine drainage on dissolved inorganic carbon and stable carbon isotopes in receiving streams

Applied Geochemistry, Vol. 23, No. 4. (April 2008), pp. 743-764.

by Ernest W Fonyuy, Eliot A Atekwana

posted to streams longitudinal dic13 dic co2 carbon anthropogenic alkalinity acid_mine_drainage 13c by emayorga on 2008-04-29 21:02:44 as

Degassing of metamorphic carbon dioxide from the Nepal Himalaya

Geochemistry Geophysics Geosystems, Vol. 9 (15 April 2008), Q04021.

by Matthew J Evans, Louis A Derry, Christian France-Lanord

posted to alkalinity carbon co2 degassing himalaya metamorphic mountains nepal rivers weathering by emayorga on 2008-04-19 18:02:01 as

Suspended sediments and organic matter in mountain headwaters of the Amazon River: Results from a 1-year time series study in the central Peruvian Andes

Geochimica et Cosmochimica Acta, Vol. 72, No. 3. (1 February 2008), pp. 732-740.

by Amy Townsend-Small, Michael E Mcclain, Bonnie Hall, Jorge L Noguera, Carlos A Llerena, Jay A Brandes

posted to tss time_series sediments seasonality rivers peru organicmatter nitrogen ms_amz_oc_isotop mountains discharge carbon andes amazon by emayorga on 2008-04-19 17:46:56 as

Chemical weathering in the Hong (Red) River basin: Rates of silicate weathering and their controlling factors

Geochimica et Cosmochimica Acta, Vol. 71, No. 6. (15 March 2007), pp. 1411-1430.

by Seulgi Moon, Youngsook Huh, Jianhua Qin, Nguyen van Pho

posted to asia carbon carbonates co2 controls geochemistry hong pyrite rivers silica silicates sub_tropical sulfur vietnam weathering by emayorga on 2008-04-08 17:34:33 as

Chemical weathering of carbonates and silicates in the Han River basin, South Korea

Chemical Geology, Vol. 247, No. 1-2. (15 January 2008), pp. 66-80.

by Jong-Sik Ryu, Kwang-Sik Lee, Ho-Wan Chang, Hyung S Shin

posted to 87sr asia carbon carbonates co2 han korea pyrite rivers silica silicates strontium sulfur temperate weathering by emayorga on 2008-04-08 17:31:55 as

The role of sulfur in chemical weathering and atmospheric CO2 fluxes: Evidence from major ions, [delta]13CDIC, and [delta]34SSO4 in rivers of the Canadian Cordillera

Geochimica et Cosmochimica Acta, Vol. 69, No. 23. (1 December 2005), pp. 5441-5458.

by Jody Spence, Kevin Telmer

posted to 13c 34s atmosphericco2 canada carbon carbonates co2 dic dic13 geochemistry isotopes pyrite rivers silicates sulfur temperate weathering by emayorga on 2008-04-08 17:23:28 as

Incorporating uncertainty and prior information into stable isotope mixing models

Ecology Letters (May 2008), pp. 470-480.

by Jonathan W Moore, Brice X Semmens

posted to uncertainty nitrogen ms_amz_oc_isotop mixing_model isotopes food_web carbon bayesian 15n 13c by emayorga on 2008-04-07 14:18:26 as

The organic carbon dynamics of a moorland catchment in N. W. England

Biogeochemistry, Vol. 84, No. 2. (June 2007), pp. 171-189.

by E Tipping, E Smith, C Bryant, J Adamson

posted to watershed uk temperate streams soils soilprofile soilorganiccarbon soc seasonality ms_amz_oc_isotop model europe dydoc doc co2 carbon budget acidification 14c by emayorga on 2008-03-30 19:20:38 as

Contrasting nutrient exports from a forested and an agricultural catchment in south-eastern Australia

Biogeochemistry, Vol. 84, No. 3. (July 2007), pp. 247-264.

by S Vink, PW Ford, M Bormans, C Kelly, C Turley

posted to agricultural anthropogenic australia carbon doc forests nitrogen phosphorus river_export seasonality streams sub_tropical watershed by emayorga on 2008-03-30 18:29:27 as

The flux of carbon from rivers: the case for flux from England and Wales

Biogeochemistry, Vol. 86, No. 1. (20 October 2007), pp. 63-75.

by Fred Worrall, Tom Guilbert, Tim Besien

posted to uk temperate river_systems rivers river_export poc ms_amz_oc_isotop evasion doc dic co2 carbon budget by emayorga on 2008-03-30 18:14:15 as

Fluvial organic carbon flux from an eroding peatland catchment, southern Pennines, UK

Hydrology and Earth System Sciences, Vol. 12, No. 2. (2008), pp. 625-634.

by RR Pawson, DR Lord, MG Evans, TEH Allott

posted to carbon doc peat poc river river_export seasonality temperate uk by emayorga on 2008-03-25 21:41:26 as

Carbon isotope fractionation of dissolved inorganic carbon (DIC) due to outgassing of carbon dioxide from a headwater stream

Hydrological Processes, Vol. 9999, No. 9999. (2007), n/a.

by Daniel H Doctor, Carol Kendall, Stephen D Sebestyen, James B Shanley, Nobuhito Ohte, Elizabeth W Boyer

posted to 13c carbon co2 dic gas_exchange groundwater longitudinal sream temperate usa by emayorga on 2008-03-17 11:32:54 as

Towards understanding global variability in ocean carbon-13

Global Biogeochemical Cycles, Vol. 22 (8 March 2008), GB1025.

by Alessandro Tagliabue, Laurent Bopp

posted to 13c carbon dic gas_exchange gcm model ocean phytoplankton poc by emayorga on 2008-03-08 15:21:03 as along with 1 person jbliu

Mackenzie River nutrient delivery to the Arctic Ocean and effects of the Mackenzie Delta during open water conditions

Global Biogeochemical Cycles, Vol. 22 (4 March 2008), GB1024.

by Craig A Emmerton, Lance FW Lesack, Warwick F Vincent

posted to arctic canada carbon coastal delta lakes mackenzie nitrogen nutrients phosphorus rivers silica by emayorga on 2008-03-08 15:18:58 as

Storm pulses of dissolved CO2 in a forested headwater Amazonian stream explored using hydrograph separation

Water Resources Research, Vol. 43 (15 November 2007), W11201.

by Mark S Johnson, Markus Weiler, Eduardo G Couto, Susan J Riha, Johannes Lehmann

posted to amazon carbon co2 runoff storms streams tropical by emayorga on 2008-03-03 12:46:42 as

A stable isotope study of a neotropical stream food web prior to the extirpation of its large amphibian community

Journal of Tropical Ecology, Vol. 23, No. 06. (2007), pp. 643-651.

by Piet Verburg, Susan S Kilham, Catherine M Pringle, Karen R Lips, Dana L Drake

posted to 13c 15n amphibians carbon centralamerica food_web nitrogen panama streams tropical by emayorga on 2008-02-27 15:38:02 as

An empirical study of climatic controls on riverine C export from three major U.S. watersheds

Global Biogeochemical Cycles, Vol. 21 (5 June 2007), GB2022.

by Peter A Raymond, Neung-Hwan Oh

posted to carbon climate controls dic discharge doc mississippi models poc rivers usa usgs watersheds weathering by emayorga on 2008-02-18 14:29:59 as

Riverine particulate organic carbon from an active mountain belt: Importance of landslides

Global Biogeochemical Cycles, Vol. 22 (15 February 2008), GB1017.

by Robert G Hilton, Albert Galy, Niels Hovius

posted to 13c carbon landslides mountains newzealand oceania poc rivers sediments tectonics by emayorga on 2008-02-16 13:03:53 as

Sediment organic carbon burial in agriculturally eutrophic impoundments over the last century

Global Biogeochemical Cycles, Vol. 22 (15 February 2008), GB1018.

by JA Downing, JJ Cole, JJ Middelburg, RG Striegl, CM Duarte, P Kortelainen, YT Prairie, KA Laube

posted to agricultural anthropogenic burial carbon lakes organicmatter poc reservoirs sedimentation time_series by emayorga on 2008-02-16 13:01:05 as

Organic matter in the Peruvian headwaters of the Amazon: Compositional evolution from the Andes to the lowland Amazon mainstem

Organic Geochemistry, Vol. 38, No. 3. (March 2007), pp. 337-364.

by Anthony K Aufdenkampe, Emilio Mayorga, John I Hedges, Carlos Llerena, Paul D Quay, Jack Gudeman, Alex V Krusche, Jeffrey E Richey

posted to amazon andes camrex carbon doc matter organic peru poc rivers tropical ucayali vilcanota by emayorga on 2008-02-15 16:07:05 as

Processing of bioactive elements in the Amazon River system

(2002), pp. 1-24.

by E Mayorga, AK Aufdenkampe

edited by Michael E Mcclain

posted to amazon biogeochemistry camrex carbon nutrients review rivers tropical by emayorga on 2008-02-15 15:59:44 as

Harvest of the century

Nature, Vol. 451 (2008), pp. 405-406.

by Emilio Mayorga

posted to agriculture alkalinity anthropogenic carbon chemical_erosion climate_change co2 dic hydrology land_use mississippi new_orleans rivers temperate time_series trends water_treatment_plant weathering by emayorga on 2008-02-15 15:59:43 as

The biogeochemistry of dissolved nitrogen, phosphorus, and organic carbon along terrestrial-aquatic flowpaths of a montane headwater catchment in the Peruvian Amazon

Hydrological Processes, Vol. 20, No. 12. (2006), pp. 2549-2562.

by Thomas J Saunders, Michael E Mcclain, Carlos A Llerena

posted to amazon andes carbon doc don dop hillslope mountains nitrate nitrogen nutrients peru phosphorus riparian seasonality stream tropical by emayorga on 2008-02-15 14:10:09 as

Young organic matter as a source of carbon dioxide outgassing from Amazonian rivers

Nature, Vol. 436, No. 7050., pp. 538-541.

by Emilio Mayorga, Anthony K Aufdenkampe, Caroline A Masiello, Alex V Krusche, John I Hedges, Paul D Quay, Jeffrey E Richey, Thomas A Brown

posted to 13c 14c amazon carbon co2 dic doc poc respiration river riversystem tropical by emayorga on 2008-02-15 13:51:16 as along with 1 person cjharrod

Distribution of aboveground live biomass in the Amazon basin

Global Change Biology, Vol. 13, No. 4. (April 2007), pp. 816-837.

by SS Saatchi, RA Houghton, Santos DOS Alvala, , JV Soares, Y Yu

posted to amazon biomass carbon forests jers modis remotesensing sar tropical by emayorga on 2008-02-15 13:46:58 as along with 3 people Flit mblwhoi AlisonCCB

Nitrogen Saturation of Terrestrial Ecosystems: Some Recent Findings and Their Implications for Our Conceptual Framework

Water, Air, & Soil Pollution: Focus, Vol. 7, No. 1. (7 March 2007), pp. 99-109.

by Bridget Emmett

posted to carbon global nitrate nitrogen nitrogen_saturation review soc soils streams temperate by emayorga on 2008-02-07 23:00:25 as

Evidence that Soil Carbon Pool Determines Susceptibility of Semi-Natural Ecosystems to Elevated Nitrogen Leaching

Ecosystems, Vol. 9, No. 3. (26 April 2006), pp. 453-462.

by Christopher Evans, Brian Reynolds, Alan Jenkins, Rachel Helliwell, Christopher Curtis, Christine Goodale, Robert Ferrier, Bridget Emmett, Michael Pilkington, Simon Caporn, Jacky Carroll, David Norris, Jennifer Davies, Malcolm Coull

posted to carbon nitrate nitrogen nitrogen_saturation soc soils streams temperate uk by emayorga on 2008-02-07 23:00:03 as

State factor relationships of dissolved organic carbon and nitrogen losses from unpolluted temperate forest watersheds

Journal of Geophysical Research, Vol. 112 (25 April 2007), G02010.

by Steven S Perakis, Lars O Hedin

posted to carbon chile climate controls doc don forests nitrogen pristine soils south_america temperate by emayorga on 2008-02-07 21:40:06 as

Longitudinal Spatial Patterns of Bacterial Production and Respiration in a Large River–Estuary: Implications for Ecosystem Carbon Consumption

Ecosystems, Vol. 8, No. 3. (1 April 2005), pp. 318-330.

by Roxane J Maranger, Michael L Pace, Del, Nina F Caraco, Jonathan J Cole

posted to bacteria carbon estuary hudson longitudinal metabolism river_systems temperate by emayorga on 2008-02-07 17:24:26 as

Carbon and nitrogen stoichiometry and nitrogen cycling rates in streams

Oecologia, Vol. 140, No. 3. (2004), pp. 458-467.

by Walter K Dodds, Eugenia Martí, Jennifer L Tank, Jeffrey Pontius, Stephen K Hamilton, Nancy B Grimm, William B Bowden, William H Mcdowell, Bruce J Peterson, Maurice H Valett, Jackson R Webster, Stan Gregory

posted to carbon nitrogen stoichiometry streams by emayorga on 2008-02-01 18:10:12 as

Relative independence of organic carbon transport and processing in a large temperate river: The Hudson River as both pipe and reactor

Limnology & Oceanography, Vol. 53, No. 1. (January 2008), pp. 185-197.

by Paul del Giorgio, Michael L Pace

posted to bacteria carbon doc hudson longitudinal metabolism respiration river temperate usa by emayorga on 2008-01-30 19:58:55 as

Increased groundwater to stream discharge from permafrost thawing in the Yukon River basin: Potential impacts on lateral export of carbon and nitrogen

Geophysical Research Letters, Vol. 34 (28 June 2007), L12402.

by Michelle A Walvoord, Robert G Striegl

posted to carbon climate_change dic discharge doc don groundwater hydrology permafrost rivers soils weathering yukon by emayorga on 2008-01-28 13:21:11 as

An Earth-system perspective of the global nitrogen cycle

Nature, Vol. 451, No. 7176. (16 January 2008), pp. 293-296.

by Nicolas Gruber, James N Galloway

posted to anthropogenic carbon earth_system global nitrogen by emayorga on 2008-01-22 17:17:17 as along with 1 person vrich

UK peatland streams release old carbon dioxide to the atmosphere and young dissolved organic carbon to rivers

Geophysical Research Letters, Vol. 34 (4 December 2007), L23401.

by Michael F Billett, Mark H Garnett, Frank Harvey

posted to 13c 14c carbon co2 degassing doc peat respiration rivers uk wetlands by emayorga on 2008-01-11 21:18:31 as

Fate of fossil fuel CO2 in geologic time

Journal of Geophysical Research, Vol. 110 (21 September 2005), C09S05.

by David Archer

posted to carbon carbonates co2 fossil_fuel oceans weathering by emayorga on 2008-01-08 08:35:16 as along with 1 person nurban

Multiple timescales for neutralization of fossil fuel CO2

Geophysical Research Letters, Vol. 24, No. 4. (1997), pp. 405-408.

by David Archer, Haroon Kheshgi, Ernst Maier-Reimer

posted to carbon carbonates co2 fossil_fuel lithology oceans silicates time_scales weathering by emayorga on 2008-01-08 06:20:29 as

Accelerating carbonate dissolution to sequester carbon dioxide in the ocean: Geochemical implications

Geophysical Research Letters, Vol. 27, No. 2. (2000), pp. 225-228.

by Ken Caldeira, Greg H Rau

posted to carbon carbonates carbon_capture geoengineering oceans weathering by emayorga on 2008-01-08 05:57:53 as

Inclusion of the Weathering of Volcanic Rocks in the GEOCARBSULF Model

Am J Sci, Vol. 306, No. 5. (1 May 2006), pp. 295-302.

by Robert A Berner

posted to carbon geocarb global model paleo silicates strontium sulfur volcanic weathering by emayorga on 2008-01-06 04:57:03 as