# AmeriFlux Portable Systems

#### Two portable, eddy correlation carbon flux and meteorological measurement systems are used to make measurements alongside resident site measurement systems.

### Dates and Locations of Past and Recent Intercomparisons:

[2008\
]{.underline}04/07/08-04/17/08 Sherman Island, California (Hongyan Luo)

04/18/08-04/29/08 Sky Oaks Old Stand site, California (Hongyan Luo)

05/27/08-06/04/08 Cottonwood, South Dakota (Hongyan Luo)

06/05/08-06/07/08 Brookings\*, South Dakota (Hongyan Luo)

\*Canceled due to severe storms

06/30/08-07/12/08 Fermi Lab Agricultural site, Illinois (Hongyan Luo,
James Kathilankal)

07/13/08-07/25/08 Morgan Monroe, Indiana (Hongyan Luo, James
Kathilankal)

08/06/08-08/18/08 Little Prospect Hill, Massachusetts (Hongyan Luo)

08/19/08-08/29/08 Cub Hill, Maryland (Hongyan Luo)

09/01/08-09/13/08 Silas Little oak/pine site, New Jersey (Hongyan Luo)

09/14/08-09/26/08 Oak opening, Ohio (Hongyan Luo)

08/03/08-08/14/08 Pinon-juniper woodland site, New Mexico (James
Kathilankal)

08/15/08-08/25/08 Juniper savanna core, New Mexico (James Kathilankal)

Sep, 2008 Shark River Slough (Mangrove Forest), Florida (James
Kathilankal)

Oct, 2008 Shark River Slough (Long Hydroperiod Marsh), Florida (James
Kathilankal)

[2007\
]{.underline}04/07/07-04/12/07 Varia Ranch, California (Hank Loescher)

05/10/07-05/15/07 Pinyon Juniper, California (Hank Loescher)

06/07/07-06/12/07 Lost Creek, Wisconsin (Hank Loescher)

06/20/07-06/26/07 UMBS, Michigan (Hank Loescher)

08/18/07-08/25/07 Audubon Ranch, Arizona (Hank Loescher, Hongyan Luo)

08/18/07-08/25/07 Santa Rita, Arizona (Hank Loescher, Hongyan Luo)

08/28/07-09/02/07 Juniper savanna core\*, New Mexico (Hank Loescher,
Hongyan Luo)

\* Canceled due to the failure of generator

09/27/07-10/04/07 Ozark, Missouri (Hongyan Luo)

10/06/07-10/20/07 Canaan Valley, West Virginia (Hongyan Luo)

#### [2006]{.underline} March 2006 Gainesville, FL (HL) March 2006 Kennedy Space Center, FL (HL) March 2006 TBD (CT) April 2006 ARM site, OK (HL) April 2006 Edwards Plateau, TX (HL) April 2006 Duke, NC (CT) April/May 2006 Chestnut Hill, TN (CT) May 2006 Windriver, WA (CT) June 2006 Bartlett Forest, NH (HL) June 2006 Briggsdale, CO (CT) June 2006 Niwot Ridge, CO (CT) June 2006 Rush Vally, UT (CT) July 2006 Barrow, AK (HL) July 2006 Harvard Forest (Hemolck) (CT) August 2006 Willow Creek, WI (HL) August-October 2006 Summit, OR (CT) August-October 2006 Flagstaff, AZ (HL) September 2006 Rosemount, MN (HL) New Idaho Site (CT) 

#### [2005]{.underline} 3/3/2005 - 3/13/2005 Tonzi Ranch, California 3/3/2005 - 3/13/2005 Jasper Ridge, California 4/9/2005 - 4/20/2005 Audubon Ranch, Arizona 4/9/2005 - 4/20/2005 Santa Rita (Mesquite site), Arizona early May 2005 Metolius, Oregon 5/17/2005 - 5/27/2005 Toledo (Oak opening site), Ohio early June 2005 Morgan Monroe State State Forest, Indiana late June 2005 Walnut River, Kansas early July 2005 Howland Forest, Maine early July 2005 Ames (new prairie site), Iowa late July 2005 Green Forest, Connecticut late July 2005 Brookings, South Dakota early August 2005 Mead, Nebraska 8/14/2005 - 8/24/2005 GLEES, Wyoming late August 2005 Columbia, Missouri early September 2005 Irvine, California late September 2005 Blodgett Forest, California  [2004 (Portable System 1 - Hank Loescher)]{.underline} 2/04- Davis, California, comparison of network-level EC systems 4/04- Vaira Ranch, Ione, California 5/04- Duke Forest, North Carolina 6/04- Walker Branch Watershed, Oak Ridge, Tennessee 7/04- Cub Hill, LTER, Baltimore, Maryland 8/04- Pine Barren, New Jersey 9/04- BOREAS OBS, Thompson, Manitoba 10/04- Freeman Ranch, Texas  [2004 (Portable System 2 - Uli Falk)]{.underline} 2/04- Davis, California, comparison of network-level EC systems 4/04- Sky Oaks, California 5/04- Curtis Ranch, Colorado 6/04- Metolius (intermediate ponderosa pine), Sisters, Oregon 7/04- Konza Prairie, Kansas late 7/04- Agricultural Site, Wisconsin 8/04- Mead (Irrigated corn site), Nebraska 9/04- Bondville (corn), Illinois 10/04- Edwards Plateau, Texas  [2003]{.underline} 1/03- La Paz, Mexico 2/03- Kennedy Space Flight Center, Florida 2/03 University of Florida, Gainesville, Florida 3/03-Tapajos National Forest, Santarem, Primary Forest, Brazil 4/03-Utah, Juniper Woodland Site 5/03-Niwot Ridge Forest, Colorado  [2002]{.underline} 8/02-UMBS, University of Michigan Biological Station, Pellston MI 9/02- Wind River canopy crane, Carson, WA 10/02- Metolius (intermediate ponderosa pine site), Sisters, Oregon  [2001]{.underline} 4/10/01 - 4/16/01 Jasper Ridge site, Woodside, CA 5/12/01 -5/18/01 Walnut River Watershed, Smileyberg, KS *(4 way comparison with Walnut River permanent system, ABLE portable system and UNL/ LBNL reference system)* 6/20/01 - 6/25/01 Mer Bleue site, Gloucester, Ontario, CANADA 7/12/01 - 7/17/01 GLEES site, Centennial, WY 8/10/01 - 8/16/01 FLUXNET (ASIAFLUX) at Tomakomai, Hokkaido, JAPAN 8/16/01 - 8/21/01 FLUXNET (ASIAFLUX-FFPRI) at Sapporo site, Hokkaido, JAPAN 11/8/01 - 11/13/01 LBA Santarem, Km 83, BRAZIL 11/14/01 - 11/19/01 LBA Manaus, Km 34, BRAZIL  [2000]{.underline} 2/11/00 - 2/15/00 Sky Oaks Chaparral site, Warner Springs, CA 3/22/00 - 3/29/00 FLUXNET (OZFLUX) in Tumbarumba, AUSTRALIA 4/12/00 - 4/18/00 EUROFLUX in Castelporziano, ITALY 5/15/00 - 5/18/00 Bowen Ratio system in Temple, Texas 7/17/00 - 7/21/00 Willow Creek site, Minocqua, WI 7/28/00 - 8/3/00 Comparison of ATI & CSAT and Open & Closed path IRGA\'s, Howland, ME 8/8/00 - 8/14/00 Blodgett Forest site, Georgetown, CA 11/9/00 - 11/14/00 Sugar Cane site, Sertaozinho, BRAZIL  [1999]{.underline} 2/27/99 - 3/10/99 FLUXNET (OZFLUX) in Twizel, NEW ZEALAND 3/17/99 - 3/24/99 Pine Plantation site (Austin-Carey), Gainesville, FL 4/5/99 - 4/15/99 La Selva site in COSTA RICA 6/1/99 - 6/5/99 Bondville site, Champaign, IL 6/28/99 - 7/2/99 Metolius Young Pine site, Sisters. OR 7/19/99 - 7/25/99 Lethbridge Tall grass Prairie site, Alberta, CANADA 8/16/99 - 8/20/99 Borden Forest site, Ontario, CANADA *(some of their instruments malfunctioned)* 9/2/99 - 9/8/99 Niwot Ridge site, Nederland, Colorado *(some of our instruments malfuctioned)*  [1998]{.underline} 4/21/98 - 5/5/98 Howland Tower, Howland, ME 5/22/98 - 6/5/98 EUROFLUX at Norunda, SWEDEN 6/23/98 - 6/27/98 Morgan Monroe State Forest site, Martinsville, IN 7/20/98 - 7/24/98 KSU\'s Rannels Ranch Range site, Manhattan, KS *(never gave us data)* 7/24/98 - 7/30/98 Schidler Prairie site (U of Neb.), Schidler, OK 8/17/98 - 8/22/98 Wind River Canopy Crane site, Carson, WA 9/14/98 - 9/17/98 Harvard Forest Site, Petersham, MA 9/23/98 - 9/30/98 Campbell River site, Vancouver Island, B.C., CANADA  [1997]{.underline} 5/28/97 - 6/6/97 Howland Tower, Howland, ME 7/15/97 - 7/18/97 Smithsonian Tower Site, Edgewater, MD *(some data lost)* 7/29/97 - 8/1/97 Harvard Forest Site, Petersham, MA 8/11/97 - 8/19/97 Upad Tundra Site, Prudhoe Bay, AK 9/8/97 - 9/12/97 Walker Branch Site, Oak Ridge, TN 10/5/97 - 10/11/97 Intercomparability measurements and Spatial Variability study at Duke Forest FACE Site, Durham, NC