Publications

Publications Found: 1373
Comparing Laser-Based Open- And Closed-Path Gas Analyzers To Measure Methane Fluxes Using The Eddy Covariance Method
Detto, M., Verfaillie, J., Anderson, F., Xu, L., Baldocchi, D.

Closed- and open-path methane gas analyzers are used in eddy covariance systems to compare three potential methane emitting ecosystems in the Sacramento-San Joaquin Delta (CA, USA): a rice field, a peatland pasture and a restored wetland. The study points out similarities …


Journal: Agricultural And Forest Meteorology, Volume 151 (10): 1312-1324 (2011), ISBN . DOI: 10.1016/j.agrformet.2011.05.014 Sites: US-Snd

Light-Stress Avoidance Mechanisms In A Sphagnum-Dominated Wet Coastal Arctic Tundra Ecosystem In Alaska
Zona, D., Oechel, W. C., Richards, J. H., Hastings, S., Kopetz, I., Ikawa, H., Oberbauer, S.

The Arctic experiences a high-radiation environment in the summer with 24-hour daylight for more than two months. Damage to plants and ecosystem metabolism can be muted by overcast conditions common in much of the Arctic. However, with climate change, extreme dry years and clearer skies could lead to the risk of increased photoxidation …


Journal: Ecology, Volume 92 (3): 633-644 (2011), ISBN . DOI: 10.1890/10-0822.1 Sites: US-Bes

Characteristics Of The Flux Of Isoprene And Its Oxidation Products In An Urban Area
Park, C., Schade, G. W., Boedeker, I.

We measured the mixing ratios and fluxes of isoprene and its oxidation products, methacrolein (MACR) and methyl vinyl ketone (MVK) from a tall flux tower in metropolitan Houston, Texas, during summertime using a relaxed eddy accumulation (REA) system combined with a dual-channel GC-FID instrument. We show that isoprene was affected …


Journal: Journal Of Geophysical Research: Atmospheres, Volume 116 (D21): n/a-n/a (2011), ISBN . DOI: 10.1029/2011jd015856 Sites: US-Ylw

Atmospheric Stability Effects On Wind Fields And Scalar Mixing Within And Just Above A Subalpine Forest In Sloping Terrain
Burns, S. P., Sun, J., Lenschow, D. H., Oncley, S. P., Stephens, B. B., Yi, C., Anderson, D. E., Hu, J., Monson, R. K.

Air temperature Ta, specific humidity q, CO2 mole fraction χJournal: Boundary-Layer Meteorology, Volume 138 (2): 231-262 (2011), ISBN . DOI: 10.1007/s10546-010-9560-6 Sites: US-NR1


An Interannual Assessment Of The Relationship Between The Stable Carbon Isotopic Composition Of Ecosystem Respiration And Climate In A High-Elevation Subalpine Forest
Riveros-Iregui, D.A., Hu, J., Burns, S.P., Bowling, D.R., Monson, R.K.

We measured the carbon isotopic composition (δ13C) of ecosystem respiration (δ13CR) in a subalpine forest across four growing seasons to examine whether patterns in δ13CR were consistent with those expected based on leaf-level gas-exchange theory, …


Journal: Journal Of Geophysical Research, Volume 116 (G2): 1-15 (2011), ISBN . DOI: 10.1029/2010JG001556 Sites: US-NR1

Tracking The Structural And Functional Development Of A Perennial Pepperweed (Lepidium Latifolium L.) Infestation Using A Multi-Year Archive Of Webcam Imagery And Eddy Covariance Measurements
Sonnentag, O., Detto, M., Vargas, R., Ryu, Y., Runkle, B., Kelly, M., Baldocchi, D.

The continued spread of invasive weeds is threatening ecosystem health throughout North America. Understanding the relationships between invasive weeds’ key phenological phases and structural and/or functional canopy development is an essential step for making …


Journal: Agricultural And Forest Meteorology, Volume 151 (7): 916-926 (2011), ISBN . DOI: 10.1016/j.agrformet.2011.02.011 Sites: US-Snd

Are Temporal Variations Of Leaf Traits Responsible For Seasonal And Inter-Annual Variability In Ecosystem CO2 Exchange?
Ma, S., Baldocchi, D. D., Mambelli, S., Dawson, T. E.
  1.  Seasonal and inter-annual variability in ecosystem carbon dioxide (CO2) exchange is attributed to numerous climate drivers. However, climate effects on metabolism often override ecological functions. This study seeks insight into which biological and ecological processes influence temporal patterns of ecosystem …

    Journal: Functional Ecology, Volume 25 (1): 258-270 (2011), ISBN . DOI: 10.1111/j.1365-2435.2010.01779.x Sites: US-Ton

The Relative Controls Of Temperature, Soil Moisture, And Plant Functional Group On Soil CO2 Efflux At Diel, Seasonal, And Annual Scales
Barron-Gafford, G.A., Scott, R.L., Jenerette, G.D., Huxman, T.E.

Soil respiration (Rsoil) is a dominant, but variable, contributor to ecosystem CO2 efflux. Understanding how variations in major environmental drivers, like temperature and …


Journal: Journal Of Geophysical Research, Volume 116 (G1): n/a-n/a (2011), ISBN . DOI: 10.1029/2010jg001442 Sites: US-SRM

Carbon Dioxide Exchange Of A Pepperweed ( Lepidium Latifolium L.) Infestation: How Do Flowering And Mowing Affect Canopy Photosynthesis And Autotrophic Respiration?
Sonnentag, O., Detto, M., Runkle, B. R. K., Teh, Y. A., Silver, W. L., Kelly, M., Baldocchi, D. D.

The net ecosystem carbon dioxide (CO2) exchange of invasive plant infestations, such as perennial pepperweed (Lepidium latifolium L.), is not well understood. A characteristic feature …


Journal: Journal Of Geophysical Research, Volume 116 (G1): n/a-n/a (2011), ISBN . DOI: 10.1029/2010jg001522 Sites: US-Snd

Improving Canopy Processes In The Community Land Model Version 4 (CLM4) Using Global Flux Fields Empirically Inferred From FLUXNET Data
Bonan, G.B., Lawrence, P.J., Oleson, K.W., Levis, S., Jung, M., Reichstein, M., Lawrence, D.M., Swenson, S.C.

The Community Land Model version 4 (CLM4) overestimates gross primary production (GPP) compared with data-driven estimates and other process models. We use global, spatially gridded GPP and latent heat flux …


Journal: Journal Of Geophysical Research: Biogeosciences, Volume 116 (G2): n/a-n/a (2011), ISBN . DOI: 10.1029/2010jg001593 Sites: BR-Ma2