| LaThuid: | US-Ha1 |
| Site Name: | Harvard Forest EMS Tower (HFR1) |
| Network: | AmeriFlux |
| Sec. Network(s): | Unknown |
| Latitude: | 42.5378 |
| Longitude: | -72.1715 |
| Elevation(m): | 340 |
| IGBP: | DBF |
| Description | |
| Site Citation: | Urbanski, S., C. Barford, S. Wofsy, C. Kucharik, E. Pyle, J. Budney, K. McKain, D. Fitzjarrald, M. Czikowsky, and J. W. Munger (2007), Factors controlling CO2 exchange on timescales from hourly to decadal at Harvard Forest, J. Geophys. Res., 112, G02020, doi:10.1029/2006JG000293. |
| Site Acknowledgment: | |
| Data Usage Note: | TBA |
| Primary Contact: | Bill Munger |
| Curator: | Tom Boden |
| Anc Curator: | Tom Boden |
| Years Of Data: | 16 (Duration: 1991 - 2006) |
| Tower Status: | Active (1991 - Present) |
| Site image(s): | Image |
| VE Cutouts: | Max Zoom :: Mid 1 Zoom :: Mid 2 Zoom :: Min Zoom |
|
| Coordinator | Title | Collaborators | Topic |
| Sonia Seneviratne | Multi-scale land-atmosphere interactions | Seneviratne; Reichstein; Ciais; Buchmann; Stockli | Biophysical feedbacks, Drought effects |
| Sebastiaan Luyssaert | Short term extremes in NEE: drivers and responses in natural ecosystems | Luyssaert; Hollinger; Munger; Stoy; Archibald; Buchmann; Williams; Janssens | Temporal variability; extremes |
| Barbara Koestner | Water vapour flux partitioning related to climate, global ecosystem types and vegetation structure | Koestner; Bernhofer; Knohl; Lindroth | H2O |
| Timothy W. Hilton | What is the spatial and temporal coherence of flux tower signals | Hilton; Davis; Ciais; Desai | Up-scaling, regional, process-oriented |
| Alan Barr | Synthesis of Inter-Annual Variability in Net Ecosystem Exchange at Long-Term North American Mature Boreal and North-Temperate Forest Flux-Tower Sites | Barr;Black;Wofsy;Hollinger; | IAV, Boreal |
| Dennis Baldocchi | Measuring Terrestrial Biosphere Metabolism with a Global Flux Network | Baldocchi;Reichstein;Papale;Law | GlobalSummary |
| Christopher A. Williams | Carbon Dioxide and Water Flux Responses to Extreme Weather and Climate Anomalies | Williams; Munger; Hollinger; Stoy; Richardson; Schaefer; Stockli; Schwalm | Temporal variability; extremes |
| Christian Bernhofer | Analyzing long-term FLUXNET measurements for reliable ET values across ecosystems types and across climatic regions | Bernhofer; Koestner; Knohl; Lindroth; Grünwald; Riedel | H2O |
| Andrew Richardson | Effect of spring onset and autumn senescence date on forest-atmosphere CO2 exchange | Richardson;Piao;Ciais;Breon | Phenology; growing season |
| Andrew Richardson | Exploring relationships among carbon exchange, foliar nitrogen, and canopy albedo at global scales | Richardson; Ollinger; Martin; Hollinger | |
| Gitta Lasslop | Extended hyperbolic light response curve including VPD effects to derive GPP estimates mainly based on daytime data | Lasslop; Reichstein; Papale | |
| Chuixiang Yi | Climate control of terrestrial carbon sequestration | Yi; Ricciuto; Monson | |
| Andrew Jarvis | A data-based cross-site evaluation of (optimal) carbon gain and water use strategies as expressed in FLUXNET eddy covariance data | Jarvis;Stauch | C-H2O |
| Mirco Migliavacca | Semi-empirical modelling of ecosystem respiration: review, improved algorithm and integration with Earth observation data | Migliavacca; Reichstein; Richardson; Lasslop | Ecosytem respiration; spatio-temporal |
| ShiLong Piao | Effect of snow change on the C balance in various northern ecosystems | Piao;Ciais;Reichstein;Luyssaert | Snow effects; Boreal-Tundra |
| Christian Beer | Upscaling mean annual GPP from ecosystem level to the global land surface | Beer; Tomelleri; Reichstein; Carvalhais; Jung; Papale; Peylin; Ciais | |
| Philippe Ciais | What the eddy-covariance flux measurements tell us about prior errors in CO2-flux inversion schemes | Chevallier; Ciais; Maignan; Wang; Reichstein | |
| Martin Jung | Identifying environmental and biophysical controls of monthly carbon and water fluxes | Jung; Reichstein; Papale; Tomelleri | |
| Enrico Tomelleri | Climatic effects on the inter‐annual variability of net ecosystem fluxes of North America and Europe | Tomelleri; Migliavacca; Carvalhais | |
| Dario Papale | A new global spatialized estimate of NEP, GPP and TER and analysis of uncertainty and limiting factors using data driven models and eddy covariance measurements | Papale, Reichstein, Tomelleri | Up-scaling, global, data-oriented |
| Instruments | Brand/model | Levels/depths | Type | Frequency | Comment | Reference |
| (Other) | | 30 m | | | Noy (catalyst to NO) | Ameriflux web page |
| AG_BIOMASS_ST | | | Shrubs are 1-10 cm DBH. For methods description see ftp.as.harvard.edu/pub/nigec/HU_Wofsy/hf_data/ecological_data | | | |
| AG_BIOMASS_TW | | | Trees are ò10 cm DBH. For methods description see ftp.as.harvard.edu/pub/nigec/HU_Wofsy/hf_data/ecological_data | | | |
| AG_PROD_TW | | | Trees are ò10 cm DBH. For methods description see ftp.as.harvard.edu/pub/nigec/HU_Wofsy/hf_data/ecological_data. | | | |
| Anemometer | ATI: K-probe upgrade | | sonic | | | Hank Loescher, February 2005 |
| Chemiluminescent analyser | | .05,1,3,6,12,18,24,30 m | | | | Ameriflux web page |
| | 30 m | | | | Ameriflux web page |
| CR_BIOMASS | | | Coarse and fine root data obtained from soil cores from control plots of DIRT Project; source: DIRT Project ; contact Knute Nadlehoffer (knute@umich.edu) | | | |
| FR_BIOMASS | | | Fine root data obtained from soil cores from control plots of DIRT Project; source: DIRT Project ; contact Knute Nadlehoffer (knute@umich.edu) | | | |
| Gas Analyzer | LI-COR: LI-6262 | | CO2/H2O, infrared | | | Hank Loescher, February 2005 |
| NEP | | | See Barford et al. 2001 for components of budget which yields NEP estimate. Annual CWD respiration estimates derived from a site-specific linear regression model which uses air temperature and decay class; see O'Donnell, 2007, senior thesis, Harvard University for specific details. | | | |
| Radiometer | | 30 m | | | Multifilter rotating shadowband; Incident and reflected total, diffuse, and direct-beam solar radiation in 6 10-nm wide wavebands | Ameriflux web page |
| REBS: Q*6 | | net | | | Hank Loescher, February 2005 |
| RT_BIOMASS | | | Coarse and fine root data obtained from soil cores from control plots of DIRT Project; source: DIRT Project ; contact Knute Nadlehoffer (knute@umich.edu) | | | |
| Thermistor | | surface (6 reps), 20 cm, 50 cm | | | | Ameriflux web page |
| Bibliography |
| Barford et al 2001; |
| Foster and Aber eds, Forests in Time, 2004 |
| Urbanski et al 2007; |
| Wofsy et al. 1993, Science 260: 1314. |
| Barford et al. 2001, Science 294: 1688. |
| Urbanski et al. 2007, JGR 112: G02020. |
| Foster and Aber, eds. Forests In Time. |
| A. D. Richardson; D. Y. Hollinger; G. G. Burba; K. J. Davis; L. B. Flanagan; G. G. Katul; J. W. Munger; D. M. Ricciuto; P. C. Stoy; A. E. Suyker; S. B. Verma; S. C. Wofsy. 2006. A multi-site analysis of random error in tower-based measurements of carbon and energy fluxesAgricultural and Forest Meteorology. 136:1-2, 1-18. |
| C. V. Horii; J. W. Munger; S. C. Wofsy; M. Zahniser; D. Nelson; J. B. McManus. 2006. Atmospheric reactive nitrogen concentration and flux budgets at a Northeastern U. S. forest siteAgricultural and Forest Meteorology. 136:3-4, 159-174. |
| K. A. Hibbard; B. E. Law; M. Reichstein; J. Sulzman. 2005. An analysis of soil respiration across northern hemisphere temperate ecosystemsBiogeochemistry. 73:1, 29-70. |
| Daniel A. Sims; Abdullah F. Rahman; Vicente D. Cordova; Dennis D. Baldocchi; Lawrence B. Flanagan; Allen H. Goldstein; David Y. Hollinger; Laurent Misson; Russell K. Monson; Hans P. Schmid. 2005. Midday values of gross CO2 flux and light use efficiency during satellite overpasses can be used to directly estimate eight-day mean fluxAgricultural and Forest Meteorology. 131:1-2, 1-12. |
| L. H. Gu; E. M. Falge; T. Boden; D. D. Baldocchi; T. A. Black; S. R. Saleska; T. Suni; S. B. Verma; T. Vesala; S. C. Wofsy; L. K. Xu. 2005. Objective threshold determination for nighttime eddy flux filteringAgricultural and Forest Meteorology. 128:3-4, 179-197. |
| W. G. Bain; L. Hutyra; D. C. Patterson; A. V. Bright; B. C. Daube; J. W. Munger; S. C. Wofsy. 2005. Wind-induced error in the measurement of soil respiration using closed dynamic chambersAgricultural and Forest Meteorology. 131:3-4, 225-232. |
| B. Bond-Lamberty; C. K. Wang; S. T. Gower. 2004. A global relationship between the heterotrophic and autotrophic components of soil respiration?Global Change Biology. 10:10, 1756-1766. |
| C. Yi; R. Li; P. S. Bakwin; A. Desai; D. M. Ricciuto; S.P. Burns; A. A. Turnipseed; S. C. Wofsy; J. W. Munger; K. Wilson; R. K. Monson. 2004. A nonparametric method for separating photosynthesis and respiration components in CO2 flux measurementsGeophysical Research Letters. 31:17, L17107. |
| A. H. Magill; J. D. Aber; W. S. Currie; K. J. Nadelhoffer; M. E. Martin; W. H. McDowell; J. M. Melillo; P. Steudler. 2004. Ecosystem response to 15 years of chronic nitrogen additions at the Harvard Forest LTER, Massachusetts, USAForest Ecology and Management. 196:1, 7-28. |
| C. T. Lai; J. R. Ehleringer; P. Tans; S. C. Wofsy; S. P. Urbanski; D. Y. Hollinger. 2004. Estimating photosynthetic C-13 discrimination in terrestrial CO2 exchange from canopy to regional scalesGlobal Biogeochemical Cycles. 18:1, GB1041, doi:10.1029/2003GB002148. |
| U. Seibt; W. A. Brand; M. Heimann; J. Lloyd; J. P. Severinghaus; L. Wingate. 2004. Observations of O-2 : CO2 exchange ratios during ecosystem gas exchangeGlobal Biogeochemical Cycles. 18:4, GB4024, doi:10.1029/2004GB002242. |
| R. M. Staebler; D. R. Fitzjarrald. 2004. Observing subcanopy CO2 advectionAgricultural and Forest Meteorology. 122:3-4, 139-156. |
| P.S. Bakwin; K. J. Davis; C. Yi; S.C. Wofsy; J. W. Munger; L. Haszpra; Z. Barcza. 2004. Regional carbon dioxide fluxes from mixing ratio dataTellus Series B-Chemical and Physical Meteorology. 56B:4, 301-311. |
| A. J. Jarvis; V. J. Stauch; K. Schulz; P. C. Young. 2004. The seasonal temperature dependency of photosynthesis and respiration in two deciduous forestsGlobal Change Biology. 10:6, 939-950. |
| D. P. Turner; S. Urbanski; D. Bremer; S. C. Wofsy; T. Meyers; S. T. Gower; M. Gregory. 2003. A cross-biome comparison of daily light use efficiency for gross primary productionGlobal Change Biology. 9:3, 383-395. |
| M. A. White; A. R. Nemani. 2003. Canopy duration has little influence on annual carbon storage in the deciduous broad leaf forestGlobal Change Biology. 9:7, 967-972. |
| L. H. Gu; D. D. Baldocchi; S. C. Wofsy; J. W. Munger; J. J. Michalsky; S. P. Urbanski; T. A. Boden. 2003. Response of a deciduous forest to the Mount Pinatubo eruption: Enhanced photosynthesisScience. 299:5615, 2035-2038. |
| E. A. Davidson; K. Savage; P. Bolstad; D. A. Clark; P. S. Curtis; D. S. Ellsworth; P. J. Hanson; B. E. Law; Y. Luo; K. S. Pregitzer; J. C. Randolph; D. Zak. 2002. Belowground carbon allocation in forests estimated from litterfall and IRGA-based soil respiration measurementsAgricultural and Forest Meteorology. 113:1-4, 39-51. |
| P. S. Curtis; P. J. Hanson; P. Bolstad; C. Barford; J. C. Randolph; H. P. Schmid; K. B. Wilson. 2002. Biometric and eddy-covariance based estimates of annual carbon storage in five eastern North American deciduous forestsAgricultural and Forest Meteorology. 113:1-4, 3-19. |
| E. A. Davidson; K. Savage; L. V. Verchot; R. Navarro. 2002. Minimizing artifacts and biases in chamber-based measurements of soil respirationAgricultural and Forest Meteorology. 113:1-4, 21-37. |
| C. C. Barford; S. C. Wofsy; M. L. Goulden; J. W. Munger; E. H. Pyle; S. P. Urbanski; L. Hutyra; S. R. Saleska; D. Fitzjarrald; K. Moore. 2001. Factors controlling long- and short-term sequestration of atmospheric CO2 in a mid-latitude forestScience. 294:5547, 1688-1691. |
| K. E. Savage; E. A. Davidson. 2001. Interannual variation of soil respiration in two New England forestsGlobal Biogeochemical Cycles. 15:2, 337-350. |
| P. B. Reich; D. P. Turner; P. Bolstad. 1999. An approach to spatially distributed modeling of net primary production (NPP) at the landscape scale and its application in validation of EOS NPP productsRemote Sensing of Environment. 70:1, 69-81. |
| M. J. Potosnak; S. C. Wofsy; A. S. Denning; T. J. Conway; J. W. Munger; D. H. Barnes. 1999. Influence of biotic exchange and combustion sources on atmospheric CO2 concentrations in New England from observations at a forest flux towerJournal of Geophysical Research-Atmospheres. 104:D8, 9561. |
| E. L. Singsaas; M. M. Laporte; J. Z. Shi; R. K. Monson; D. R. Bowling; K. Johnson; M. Lerdau; A. Jasentuliytana; T. D. Sharkey. 1999. Kinetics of leaf temperature fluctuation affect isoprene emission from red oak (Quercus rubra) leavesTree Physiology. 19:14, 917-924. |
| S. L. Bassow; F. A. Bazzaz. 1997. Intra- and inter-specific variation in canopy photosynthesis in a mixed deciduous forestOecologia. 109:4, 507-515. |
| M. L. Goulden; J. W. Munger; S. M. Fan; B. C. Daube; S. C. Wofsy. 1996. Measurements of carbon sequestration by long-term eddy covariance: Methods and a critical evaluation of accuracyGlobal Change Biology. 2:3, 169. |
| R. H. Waring; B. E. Law; M. L. Goulden; S. L. Bassow; R. W. McCreight; S. C. Wofsy; F. A. Bazzaz. 1995. Scaling Gross Ecosystem Production at Harvard Forest with Remote-Sensing - a Comparison of Estimates from a Constrained Quantum-Use Efficiency Model and Eddy-CorrelationPlant, Cell and Environment. 18:10, 1201-1213. |
| A. H. Goldstein; S. C. Wofsy; C. M. Spivakovsky. 1995. Seasonal-variations of nonmethane hydrocarbons in rural new-england - constraints on OH concentrations in northern midlatitudesJournal of Geophysical Research-Atmospheres. 100:D10, 21023. |
| S. C. Wofsy; M. L. Goulden; J. W. Munger; S. M. Fan; P. S. Bakwin; B. C. Daube; S. L. Bassow; F. A. Bazzaz. 1993. Net exchange of CO2 in a midlatitude forestScience. 260:5112, 1314. |