Willow Creek, Wisconsin, USA

Name value
Principal investigator Ankur Desai
Site name Willow Creek, Wisconsin, USA
Site description DBF Deciduous Broadleaf Forest
Latitude 45.9059
Longitude -90.0799
Elevation 515
crdate 11MAY2011


 
Willow Creek, Wisconsin, USA
input files and their date ranges

Obs OrigFile mindate maxdate nrec
1 wcreek1998_met.txt 01/01/1998 12/31/1998 17520
2 soilresp_daily.csv 04/21/1998 11/16/1999 18
3 wcreek1999_flux.txt 01/01/1999 12/31/1999 17520
4 wcreek1999_met.txt 01/01/1999 12/31/1999 17520
5 wcreek2000_flux.txt 01/01/2000 12/31/2000 17568
6 wcreek2000_met.txt 01/01/2000 12/31/2000 17568
7 wcreek_fillednee_2000.txt 01/01/2000 12/31/2000 17568
8 wcreek2001_flux.txt 01/01/2001 12/31/2001 17520
9 wcreek2001_met.txt 01/01/2001 12/31/2001 17520
10 wcreek_fillednee_2001.txt 01/01/2001 12/31/2001 17520
11 bcanopy2002_flux.txt 01/01/2002 12/31/2002 17520
12 wcreek2002_flux.txt 01/01/2002 12/31/2002 17520
13 wcreek2002_met.txt 01/01/2002 12/31/2002 17520
14 wcreek_fillednee_2002.txt 01/01/2002 12/31/2002 17520
15 bcanopy2003_flux.txt 01/01/2003 12/31/2003 17520
16 wcreek2003_flux.txt 01/01/2003 12/31/2003 17520
17 wcreek2003_met.txt 01/01/2003 12/31/2003 17520
18 wcreek_fillednee_2003.txt 01/01/2003 12/31/2003 17520
19 wcreek2004_flux.txt 01/01/2004 12/31/2004 17568
20 wcreek2004_met.txt 01/01/2004 12/31/2004 17568
21 wcreek_fillednee_2004.txt 01/01/2004 12/31/2004 17568
22 wcreek2005_flux.txt 01/01/2005 12/31/2005 17520
23 wcreek2005_met.txt 01/01/2005 12/31/2005 17520
24 wcreek_fillednee_2005.txt 01/01/2005 12/31/2005 17520
25 wcreek2006_flux.txt 01/01/2006 12/31/2006 17520
26 wcreek2006_met.txt 01/01/2006 12/31/2006 17520
27 wcreek_fillednee_2006.txt 01/01/2006 12/31/2006 17520


 
Willow Creek, Wisconsin, USA
variable names and original descriptions

VarSource=/bcanopy/30min/bcanopy2002_flux.txt-2003,bc30min_readme.txt

Obs col Variable Origdesc
1 4 FC_2 Fc_irga mg/(m^2,s) carbon flux
2 5 LE_2 LE_irga W/m^2 latent heat flux
3 6 H_2 Hs W/m^2 sensible heat flux (sonic)
4 7 H__2_2 H W/m^2 sensible heat flux (fine wire TC)
5 8 UST_2 u_star m/s
6 9 Rn__2_2 Rn_Avg W/m^2 net radiation from REBS Q7.1 (wind corr applied)
7 10 CO2den_2 co2_Avg(1) mg/m^3 from licor 7500 (open path)
8 11 H2Oden_2 h2o_Avg(1) g/m^3 from licor 7500 (open path)
9 12 Tsonic_2 Ts_Avg(1) deg C from sonic
10 13 TA__3_2 FW_Avg(1) deg C from fine wire TC
11 14 H2Oden__2_2 h2o_hmp_Avg(1) g/m^3 from Vaisala HMP-45C
12 15 TA__2_2 t_hmp_Avg(1) deg C from Vaisala HMP-45C
13 16 RH__2_2 rh_hmp_Avg(1) fraction from Vaisala HMP-45C
14 17 PRESS_2 press_Avg(1) kPa from licor 7500 (open path)
15 18 WD__2_2 wnd_dir_compass(1) wind direction (deg from True N)
16 19 WS__2_2 wnd_spd_1(1) wind speed (m/s) from sonic
17 20 WDstd__2_2 std_wnd_dir_1(1) standard deviation of wind speed (deg)
18 21 H2Odenstd__2_2 h2o_hmp_Std(1) standard deviation of gH2o/m^3 from HMP-45C
19 22 TAstd__2_2 t_hmp_Std(1) standard deviation of deg C from HMP-45C
20 23 RHstd__2_2 rh_hmp_Std(1) standard deviation of fraction from HMP-45C
 
VarSource=/fillednee/wcreek_fillednee_2000.txt-2006,wcreek_fillednee_readme.txt

Obs col Variable Origdesc
24 8 TS_fill_5 SoilT Soil temperature - 5cm/2in degrees C
25 9 RE_fill Resp Modeled ecosystem respiration umol/m2 s
29 13 PAR_fill PAR PAR above canopy umol/m2 s
30 14 GPP_fill Psyn Modeled gross photosynthesis umol/m2 s
31 15 NEE__2 obs_NEE original observed NEE umol/m2 s
33 17 NEE_fill fill_NEE filled good NEE umol/m2 s
 
VarSource=soilresp_daily.csv

Obs col Variable Origdesc
34 5 RsHibbard Hibbard Rsoil.umolm2s mean daily soil respiration (micromoles/m2/s)
35 6 RsHibbardstd Hibbard Avg.Rsoil.se standard error of mean daily soil respiration (micromoles/m2/s)
36 7 TSHibbard Hibbard Tsoil mean daily soil temperature (celcius)
37 8 SWCHibbard Hibbard Soil Moisture mean daily soil moisture (percent)
 
VarSource=wcreek1998_met.txt-2006,wcreek_met_data_key.doc

Obs col Variable Origdesc
38 7 CO2_0_6 CO2_2ft Concentration of CO2 at 2 feet ppm
39 8 CO2_1_5 CO2_5ft Concentration of CO2 at 5 feet ppm
40 9 CO2_3 CO2_10ft Concentration of CO2 at 10 feet ppm
41 10 CO2_7_6 CO2_25ft Concentration of CO2 at 25 feet ppm
42 11 CO2_13_7 CO2_45ft Concentration of CO2 at 45 feet ppm
43 12 CO2_21_3 CO2_70ft Concentration of CO2 at 70 feet ppm
44 13 CO2 CO2_97ft Concentration of CO2 at 97 feet ppm
45 14 WS_2 Wsp_2m Wind speed at 2 meters m/s
46 15 WS_12_2 Wsp_40ft Wind speed at 40 feet m/s
47 16 WS_24_4 Wsp_80ft Wind speed at 80 feet m/s
48 17 WS Wsp_97ft Wind speed at 97 feet m/s
49 18 WD_2 Wdir_2m Wind direction at 2 meters Deg
50 19 WD_12_2 Wdir_40ft Wind direction at 40 feet Deg
51 20 WD_24_4 Wdir_80ft Wind direction at 80 feet Deg
52 21 WD Wdir_97ft Wind direction at 97 feet Deg
53 22 TA_0_25 Ta_25cm Air temperature at 25 cm degC
54 23 TA_0_5 Ta_50cm Air temperature at 50 cm degC
55 24 TA_0_75 Ta_75cm Air temperature at 75 cm degC
56 25 TA_1 Ta_1 m Air temperature at 1 meter degC
57 26 TA_2 Ta-2 m Air temperature at 2 meters degC
58 27 TA_7_6 Ta_25 ft Air temperature at 25 feet degC
59 28 TA_12_2 Ta_40 ft Air temperature at 40 feet degC
60 29 TA_18_3 Ta_60 ft Air temperature at 60 feet degC
61 30 TA_24_4 Ta_80 ft Air temperature at 80 feet degC
62 31 TA Ta_97 ft Air temperature at 97 feet degC
63 32 Tbole Tree_n Tree temperature, north side degC
64 33 Tbole__2 Tree_s Tree temperature, south side degC
65 34 H2O Mr_97 ft H2O mixing ratio at 97 feet g/kg
66 35 RH_2 Rh_2m Relative humidity at 2 meters %
67 36 RH_7_6 Rh_25 ft Relative humidity at 25 feet %
68 37 RH_12_2 Rh_40 ft Relative humidity at 40 feet %
69 38 RH_18_3 Rh_60 ft Relative humidity at 60 feet %
70 39 RH Rh_80 ft Relative humidity at 80 feet %
71 40 TS Ts_0 Soil temperature on surface C
72 41 TS_5 Ts_5 cm Soil temperature at 5cm below surface degC
73 42 TS_10 Ts_10 cm Soil temperature at 10 cm below surface degC
74 43 TS_20 Ts_20 cm Soil temperature at 20 cm below surface degC
75 44 TS_50 Ts_50 cm Soil temperature at 50 cm below surface degC
76 45 TS_100 Ts_1 m Soil temperature at 1 meter below surface degC
77 46 SWC SWC_5 cm Soil moisture content at 5 cm below surface % by vol
78 47 SWC_10 SWC_10 cm Soil moisture content at 10 cm below surface % by vol
79 48 SWC_20 SWC_20 cm Soil moisture content at 20 cm below surface % by vol
80 49 SWC_50 SWC_50 cm Soil moisture content at 50 cm below surface % by vol
81 50 SWC_100 SWC_1 m Soil moisture content at 1 meter below surface % by vol
82 51 PRESS P_atm Atmospheric pressure at 97 feet kPa
83 52 PAR_2 PPFD_2m Photosynthetic Active radiation at 2 meters m mol m-2 s-1
84 53 PAR_6_1 PPFD_20 ft Photosynthetic Active radiation at 20 feet m mol m-2 s-1
85 54 PAR_12_2 PPFD_40 ft Photosynthetic Active radiation at 40 feet m mol m-2 s-1
86 55 PAR_18_3 PPFD_60 ft Photosynthetic Active radiation at 60 feet m mol m-2 s-1
87 56 PAR PPFD_97ft Total incoming photosynthetic photon flux density at 97 feet
88 57 PARdif PPFD_dif Diffuse incoming photosynthetic photon flux density at 97 feet m mol m-2 s-1
89 58 PREC P Precipitation Mm
90 59 Rg Solar_in Incoming solar radiation at 97 feet W m-2
91 60 RgOut Solar_ref Reflected solar radiation at 97 feet W/m-2
92 61 Rgl Ir_in Incoming ir radiation at 97 feet W/m-2
93 62 RglOut Ir_emit Emitted ir radiation at 97 feet W/m-2
94 63 Rgstd Solstdev Standard deviation of incoming solar radiation W/m-2
95 64 RadTot R_in Incoming total radiation at 97 feet W m-2
96 65 Rn R_net Net radiation at 97 feet W m-2
97 66 Wet Leaf-wet Wetness indicator at 97 feet Kohms
98 67 Rn_2 Net_raw Net radiation above soil surface, no wind correction at 2m W m-2
99 68 Rn_corr_2 Netbodyrad Net radiation above soil surface, wind correction applied at 2m
100 69 FG G_75 mm Soil heat flux at 75 mm below surface W m-2
 
VarSource=wcreek1999_flux.txt-2006,wcreek_flux_data_key.doc

Obs col Variable Origdesc
101 7 SFC Sc_97ft Rate of change of CO2 storage at 97 feet mmol m-2 s-1
102 8 FC Fc_97ft CO2 flux at 97 feet m mol m-2s-1
103 9 NEE Nee_97ft CO2 NEE at 97 feet=Sc_97 ft+Fc_97 ft mmol m-2s-1
104 10 LE LE_97ft Latent heat flux at 97 feet W m-2
105 11 H H_97ft Sensible heat flux at 97 feet W m-2
106 12 UST Ustar30 Friction velocity at 97 feet m s-1
107 13 FC_f Flag flux quality-0=acceptable,1=unacceptable u* is small,2=unacceptable winds are from the southeast and temperature inversion at the canopy


 
Willow Creek, Wisconsin, USA
variable edits

Obs Reset
1 * WCREEK reset co2 to missing if co2 < 300 or co2 > 800 - Bai Yang 09may2011;
2 * WCREEK reset co2_0_6 to missing if co2_0_6 < 300 or co2_0_6 > 800 - Bai Yang 09may2011;
3 * WCREEK reset co2_13_7 to missing if co2_13_7 < 300 or co2_13_7 > 800 - Bai Yang 09may2011;
4 * WCREEK reset co2_1_5 to missing if co2_1_5 < 300 or co2_1_5 > 800 - Bai Yang 09may2011;
5 * WCREEK reset co2_2 to missing if co2_2 < 300 or co2_2 > 800 - Bai Yang 09may2011;
6 * WCREEK reset co2_21_3 to missing if co2_21_3 < 300 or co2_21_3 > 800 - Bai Yang 09may2011;
7 * WCREEK reset co2_3 to missing if co2_3 < 300 or co2_3 > 800 - Bai Yang 09may2011;
8 * WCREEK reset co2_7_6 to missing if co2_7_6 < 300 or co2_7_6 > 800 - Bai Yang 09may2011;
9 * WCREEK reset co2den_2 to missing if co2den_2 < 10 or co2den_2 > 30 - Bai Yang 09may2011;
10 * WCREEK reset fc to missing if fc < -100 or fc > 80 - Bai Yang 09may2011 ;
11 * WCREEK reset fc_2 to missing if fc_2 < -100 or fc_2 > 80 - Bai Yang 09may2011 ;
12 * WCREEK reset fg to -fg - Bai Yang 24jan08;
13 * WCREEK reset h to missing if h < -400 or h > 800 - Bai Yang 09may2011;
14 * WCREEK reset h2o_2 to missing if h2o_2 < 0 or h2o_2 > 50 - Bai Yang 09may2011 ;
15 * WCREEK reset h2oden_2 to missing if h2oden_2 < 0 or h2oden_2 > 1500 - Bai Yang 09may2011 ;
16 * WCREEK reset h_2 to missing if h_2 < -200 or h_2 > 400 - Bai Yang 09may2011;
17 * WCREEK reset h__2_2 to missing if h__2_2 < -1600 or h__2_2 > 1600 - Tom Boden dec06;
18 * WCREEK reset le to missing if le < -200 - Bai Yang 09may2011;
19 * WCREEK reset le_2 to missing if le_2 < -200 or le_2 > 400 - Bai Yang 09may2011;
20 * WCREEK reset nee to missing if nee < -100 or nee > 80 - Bai Yang 09may2011;
21 * WCREEK reset nee__2 to missing if nee__2 < -200 or nee__2 > 150 - Tom Boden dec06;
22 * WCREEK reset nee_fill to missing if nee_fill < -200 or nee_fill > 150 - Tom Boden dec06;
23 * WCREEK reset par to 0 if -60 <= latitude <= 60 and abs(par) > 10 and hour in (22,23,0,1,2) - Bai Yang 03mar09;
24 * WCREEK reset par to missing if -60 <= latitude <= 60 and par < 5 and 10<=hour<=14 - Tom Boden 18jul06;
25 * WCREEK reset par to missing if par < -20 - Bai Yang 03mar09;
26 * WCREEK reset par_12_2 to 0 if -60 <= latitude <= 60 and abs(par_12_2) > 10 and hour in (22,23,0,1,2) - Bai Yang 03mar09;
27 * WCREEK reset par_12_2 to missing if -60 <= latitude <= 60 and par_12_2 < 5 and 10<=hour<=14 - Tom Boden 18jul06;
28 * WCREEK reset par_12_2 to missing if par_12_2 < -20 - Bai Yang 03mar09;
29 * WCREEK reset par_18_3 to 0 if -60 <= latitude <= 60 and abs(par_18_3) > 10 and hour in (22,23,0,1,2) - Bai Yang 03mar09;
30 * WCREEK reset par_18_3 to missing if -60 <= latitude <= 60 and par_18_3 < 5 and 10<=hour<=14 - Tom Boden 18jul06;
31 * WCREEK reset par_18_3 to missing if par_18_3 < -20 - Bai Yang 03mar09;
32 * WCREEK reset par_2 to 0 if -60 <= latitude <= 60 and abs(par_2) > 10 and hour in (22,23,0,1,2) - Bai Yang 03mar09;
33 * WCREEK reset par_2 to missing if -60 <= latitude <= 60 and par_2 < 5 and 10<=hour<=14 - Tom Boden 18jul06;
34 * WCREEK reset par_2 to missing if par_2 < -20 - Bai Yang 03mar09;
35 * WCREEK reset par_6_1 to 0 if -60 <= latitude <= 60 and abs(par_6_1) > 10 and hour in (22,23,0,1,2) - Bai Yang 03mar09;
36 * WCREEK reset par_6_1 to missing if -60 <= latitude <= 60 and par_6_1 < 5 and 10<=hour<=14 - Tom Boden 18jul06;
37 * WCREEK reset par_6_1 to missing if par_6_1 < -20 - Bai Yang 03mar09;
38 * WCREEK reset pardif to missing if not(year=2000 and 120<=jd<=190) - Bai Yang and Bruce Cook 2/4/2008;
39 * WCREEK reset prec to 0 if prec < 0 - Tom Boden 25jul06;
40 * WCREEK reset rh__2_2 to 0 if -5 <= rh__2_2 < 0 - Tom Boden 25jul06;
41 * WCREEK reset rh__2_2 to 100 if 100 < rh__2_2 <= 115 - Tom Boden 18jul06;
42 * WCREEK reset rh__2_2 to missing if rh__2_2 < -5 - Tom Boden 25jul06;
43 * WCREEK reset rh__2_2 to missing if rh__2_2 > 115 - Tom Boden 18jul06;
44 * WCREEK reset ws__2_2 to missing if ws__2_2 > 10 - Bai Yang 09may2011;


 
Willow Creek, Wisconsin, USA
number reset to missing or some other value

Obs variable nreset
1 co2 21
2 co2_0_6 16
3 co2_13_7 21
4 co2_1_5 16
5 co2_2 384
6 co2_21_3 21
7 co2_3 17
8 co2_7_6 20
9 co2den_2 769
10 fc 9
11 fc_2 298
12 fg 128890
13 h 6
14 h2o_2 0
15 h2oden_2 1166
16 h_2 11
17 h__2_2 0
18 le 4
19 le_2 337
20 nee 8
21 nee__2 1
22 nee_fill 1
23 par 82
24 par_12_2 120
25 par_18_3 166
26 par_2 378
27 par_6_1 249
28 pardif 16899
29 prec 1
30 rh__2_2 620
31 ws__2_2 20


 
Willow Creek, Wisconsin, USA
variable conversions

Obs cline
1 * WCREEK do not convert sfc from mmol/m2/s to umol/m2/s because already umol/m2/s - Tom Boden;
2 * WCREEK do not convert fc from mmol/m2/s to umol/m2/s because already umol/m2/s - Tom Boden;
3 * WCREEK do not convert nee from mmol/m2/s to umol/m2/s because already umol/m2/s - Tom Boden;
4 * WCREEK do not convert co2 from ppm to umol/mol ;
5 * WCREEK do not convert par from mmol/m2/s to umol/m2/s because already in umol/m2/s - Tom Boden;
6 * WCREEK convert h2o from g/kg to mmol/mol - Lianhong Gu 3/6/2008;
7 h2o = (29/18.01) * h2o ;
8 * WCREEK convert fc_2 from mg/m2/s to umol/m2/s - Stan Wullschleger 25Apr02;
9 fc_2 = fc_2 * 22.7272723 ;
10 * WCREEK convert h2oden_2 from g/m3 to mmol/m3 - Bai Yang 11/21/2008;
11 h2oden_2 = h2oden_2 / 18.0 * 1000;
12 * WCREEK convert h2oden__2_2 from g/m3 to mmol/m3 - Bai Yang 11/21/2008;
13 h2oden__2_2 = h2oden__2_2 / 18.0 * 1000;
14 * WCREEK convert co2den_2 from mg/m3 to mmol/m3 - Bai Yang 11/21/2008;
15 co2den_2 = co2den_2 / 44.0 ;
16 * WCREEK convert rh__2_2 from fraction to percent;
17 rh__2_2 = rh__2_2 * 100;


 
Willow Creek, Wisconsin, USA
calculated variables

Obs cline
1 * WCREEK calculate vpd ;
2 vpd = 0.61375*exp(17.502*ta/(240.97+ta))*(1.-rh/100.);
3 * WCREEK calculate co2_2 from co2den_2 use press_2 and ta__2_2 - Bai Yang 18sep08;
4 if press_2 not in (.,0) then co2_2 = co2den_2 * 8.314 * (ta__2_2+273.15)/ press_2; else co2_2 = .;
5 * WCREEK calculate h2o_2 from h2oden_2 use press_2 and ta__2_2 - Bai Yang 18sep08;
6 if press_2 not in (.,0) then h2o_2 = h2oden_2/1000 * 8.314 * (ta__2_2+273.15)/ press_2; else h2o_2 = .;
7 * WCREEK calculate h2o__2_2 from h2oden__2_2 use press_2 and ta__2_2 - Bai Yang 18sep08;
8 if press_2 not in (.,0) then h2o__2_2 = h2oden__2_2/1000 * 8.314 * (ta__2_2+273.15)/ press_2; else h2o_2 = .;
9 * WCREEK calculate vpd_2 ;
10 vpd_2 = 0.61375*exp(17.502*ta__2_2/(240.97+ta__2_2))*(1.-rh__2_2/100.);
11 * WCREEK calculate fh2o from le and ta ;
12 fh2o = le /18 /(1.91846*((ta+273.15)/(ta+273.15-33.91)) * ((ta+273.15)/(ta+273.15-33.91)));
13 * WCREEK calculate fh2o_2 from le_2 and ta_2 ;
14 fh2o_2 = le_2 /18 /(1.91846*((ta_2+273.15)/(ta_2+273.15-33.91)) * ((ta_2+273.15)/(ta_2+273.15-33.91)));
15 * WCREEK calculate preccum ;
16 preccum = ifn(first.year, prec, sum(preccum, prec));


 
Willow Creek, Wisconsin, USA
variable stats for L2 data

Site=Willow Creek

Obs Variable MIN MEAN MAX N NMISS TOTAL
1 CO2 302.669 380.826 580.50 113092 44684 157776
2 CO2_0_6 302.644 391.745 731.29 107570 50206 157776
3 CO2_13_7 302.833 382.779 580.27 115335 42441 157776
4 CO2_1_5 300.830 388.620 640.13 111185 46591 157776
5 CO2_2 300.025 349.526 755.73 24011 133765 157776
6 CO2_21_3 302.630 380.979 597.95 115671 42105 157776
7 CO2_3 301.363 386.358 605.78 115291 42485 157776
8 CO2_7_6 300.735 383.142 585.46 116061 41715 157776
9 CO2den_2 10.005 14.349 29.90 24395 133381 157776
10 FC -67.607 -0.409 76.53 93350 64426 157776
11 FC_2 -98.885 0.910 78.30 23815 133961 157776
12 FC_f 0.000 0.389 2.00 139864 17912 157776
13 FG -22.717 7.150 72.50 128890 28886 157776
14 FH2O -3.932 0.652 16.44 92481 65295 157776
15 FH2O_2 -4.500 0.171 8.98 23113 134663 157776
16 GPP_fill -0.788 3.009 30.54 122368 35408 157776
17 H -393.332 25.621 720.45 93318 64458 157776
18 H2O 0.354 8.992 45.98 86614 71162 157776
19 H2O_2 0.001 8.351 38.14 23998 133778 157776
20 H2O__2_2 0.536 9.836 34.63 28625 129151 157776
21 H2Oden_2 0.034 334.653 1499.10 23998 133778 157776
22 H2Oden__2_2 24.919 388.547 1312.72 25214 132562 157776
23 H2Odenstd__2_2 0.002 0.089 1.25 25214 132562 157776
24 H_2 -198.385 2.190 319.59 24102 133674 157776
25 H__2_2 -125.398 2.747 233.71 16240 141536 157776
26 LE -172.898 28.916 785.33 93346 64430 157776
27 LE_2 -199.850 7.690 398.46 23776 134000 157776
28 NEE -72.392 -0.395 79.63 81530 76246 157776
29 NEE__2 -72.392 -1.615 60.57 52520 105256 157776
30 NEE_fill -72.392 -1.006 60.57 122639 35137 157776
31 PAR 0.000 300.163 2200.48 128518 29258 157776
32 PAR_12_2 0.000 94.785 1619.23 127543 30233 157776
33 PAR_18_3 0.000 139.158 1853.13 127509 30267 157776
34 PAR_2 0.000 46.160 1304.50 127264 30512 157776
35 PAR_6_1 0.000 52.016 1225.47 127394 30382 157776
36 PAR_fill 0.000 302.920 1993.10 122736 35040 157776
37 PARdif 0.000 224.789 1976.02 3370 154406 157776
38 PREC 0.000 0.041 23.56 157668 108 157776
39 PRECcum 0.000 346.528 994.71 157776 0 157776
40 PRESS 89.610 95.130 99.31 136836 20940 157776
41 PRESS_2 92.676 95.549 97.43 25164 132612 157776
42 RE_fill 0.140 1.965 12.61 122640 35136 157776
43 RH 14.879 86.154 100.00 127643 30133 157776
44 RH_12_2 13.783 87.758 100.00 127643 30133 157776
45 RH_18_3 14.592 84.510 100.00 127643 30133 157776
46 RH_2 14.538 88.666 100.00 127643 30133 157776
47 RH_7_6 13.630 83.836 100.00 127643 30133 157776
48 RH__2_2 13.155 77.819 100.00 25214 132562 157776
49 RHstd__2_2 0.000 0.007 0.08 25214 132562 157776
50 RadTot 124.119 448.257 1407.62 111874 45902 157776
51 Rg 0.000 150.043 1053.06 111875 45901 157776
52 RgOut 0.000 26.322 234.91 111875 45901 157776
53 Rgl 124.119 298.220 448.68 111874 45902 157776
54 RglOut 190.356 345.221 505.79 111874 45902 157776
55 Rgstd -2.987 5.152 187.07 111878 45898 157776
56 Rn -120.079 76.714 838.65 111874 45902 157776
57 Rn_2 -323.967 8.777 810.81 126317 31459 157776
58 Rn__2_2 -208.701 14.584 565.28 25214 132562 157776
59 Rn_corr_2 -323.587 8.345 540.19 126317 31459 157776
60 RsHibbard 0.560 3.896 7.62 18 157758 157776
61 RsHibbardstd 0.090 0.330 0.69 18 157758 157776
62 SFC -89.104 -0.000 84.73 93822 63954 157776
63 SWC 11.443 30.957 51.74 128893 28883 157776
64 SWCHibbard 5.030 20.002 39.00 18 157758 157776
65 SWC_10 11.771 30.173 42.97 128892 28884 157776
66 SWC_100 13.239 27.018 44.13 121378 36398 157776
67 SWC_20 14.385 28.695 34.51 128893 28883 157776
68 SWC_50 13.818 32.409 40.12 128815 28961 157776
69 TA -31.061 5.813 33.72 111878 45898 157776
70 TA_0_25 -30.273 6.299 33.45 128890 28886 157776
71 TA_0_5 -30.387 6.153 34.38 128890 28886 157776
72 TA_0_75 -30.387 6.199 33.28 128890 28886 157776
73 TA_1 -34.542 6.242 33.54 128890 28886 157776
74 TA_12_2 -31.671 5.132 33.72 127644 30132 157776
75 TA_18_3 -31.596 5.443 34.85 127644 30132 157776
76 TA_2 -31.701 4.829 32.02 127643 30133 157776
77 TA_24_4 -31.577 5.418 34.17 127644 30132 157776
78 TA_7_6 -31.339 5.241 33.34 127644 30132 157776
79 TA__2_2 -27.001 6.108 31.06 25214 132562 157776
80 TA__3_2 -18.362 10.595 30.68 16248 141528 157776
81 TAstd__2_2 0.035 0.073 0.71 25214 132562 157776
82 TS -7.822 8.155 32.18 128889 28887 157776
83 TSHibbard 2.890 12.653 19.68 18 157758 157776
84 TS_10 -4.079 8.260 24.58 128886 28890 157776
85 TS_100 -1.025 8.317 18.39 128889 28887 157776
86 TS_20 -2.217 8.308 26.43 128889 28887 157776
87 TS_5 -3.619 8.216 26.33 128889 28887 157776
88 TS_50 -1.173 8.318 26.79 128890 28886 157776
89 TS_fill_5 -3.855 8.246 26.33 122736 35040 157776
90 Tbole -29.889 6.634 31.99 128890 28886 157776
91 Tbole__2 -28.520 7.277 34.75 128890 28886 157776
92 Tsonic_2 -27.220 6.960 39.76 24178 133598 157776
93 UST 0.004 0.569 2.98 96912 60864 157776
94 UST_2 0.000 0.103 5.21 24113 133663 157776
95 VPD 0.000 0.196 3.16 107436 50340 157776
96 VPD_2 0.000 0.300 2.75 25214 132562 157776
97 WD 0.000 200.679 359.98 104658 53118 157776
98 WD_12_2 0.000 209.143 359.96 48082 109694 157776
99 WD_2 0.000 219.029 359.94 45799 111977 157776
100 WD_24_4 0.000 201.097 359.98 68283 89493 157776
101 WD__2_2 0.885 216.054 358.20 25214 132562 157776
102 WDstd__2_2 0.000 31.587 79.13 25214 132562 157776
103 WS 0.123 2.634 18.55 106033 51743 157776
104 WS_12_2 0.000 0.360 4.03 127639 30137 157776
105 WS_2 0.000 0.216 2.89 127644 30132 157776
106 WS_24_4 0.000 1.865 6.85 127644 30132 157776
107 WS__2_2 0.100 0.715 9.94 24158 133618 157776
108 Wet 0.110 34.297 199.80 22916 134860 157776


 
Willow Creek, Wisconsin, USA
AmeriFlux L2 variable names and descriptions

Obs name label
1 BIOME BIOME class
2 CO2 CO2 concentration at 29.6m (umol/mol)
3 CO2_0_6 CO2 concentration at 0.6m (umol/mol)
4 CO2_13_7 CO2 concentration at 13.7m (umol/mol)
5 CO2_1_5 CO2 concentration at 1.5m (umol/mol)
6 CO2_2 CO2 concentration at 2m (umol/mol)
7 CO2_21_3 CO2 concentration at 21.3m (umol/mol)
8 CO2_3 CO2 concentration at 3m (umol/mol)
9 CO2_7_6 CO2 concentration at 7.6m (umol/mol)
10 CO2den_2 CO2 density at 2m (mmol/m3)
11 Dataname Dataset name
12 Day Day
13 DirName Directory Name
14 Ebalance Energy balance calc [LE+H+FG]/Rn
15 Elevation Elevation (masl)
16 FC CO2 flux at 29.57m (umol/m2/s)
17 FC_2 CO2 flux at 2m (umol/m2/s)
18 FC_f FC flag-0=acceptable,1=unacceptable small u*,2=unacceptable temperature inversion at the canopy
19 FG Soil heat flux at 7.5cm (W/m2)
20 FH2O Water vapor flux at 29.57m calc (mmol/m2/s)
21 FH2O_2 Water vapor flux at 2m calc (mmol/m2/s)
22 FluxnetID Fluxnet name
23 GMT Greenwich mean time
24 GMT_date GMT date
25 GMT_day GMT day
26 GMT_hour GMT hour
27 GMT_jd GMT Day of year
28 GMT_min GMT minute
29 GMT_month GMT month
30 GMT_year GMT year
31 GPP_fill Gross primary production calculated as =RE-NEE fill (umol/m2/s)
32 H Sensible heat flux at 29.57m (W/m2)
33 H2O Water vapor concentration at 29.6m (mmol/mol)
34 H2O_2 Water vapor concentration at 2m (mmol/mol)
35 H2O__2_2 Water vapor concentration 2 at 2m (mmol/mol)
36 H2Oden_2 Water vapor density at 2m (mmol/m3)
37 H2Oden__2_2 Water vapor density 2 at 2m (mmol/m3)
38 H2Odenstd__2_2 H2Oden stddev 2 at 2m
39 H_2 Sensible heat flux at 2m (W/m2)
40 H__2_2 Sensible heat flux 2 at 2m (W/m2)
41 Hour Hour
42 IGBP IGBP veg type
43 JD Day of year
44 LE Latent heat flux at 29.57m (W/m2)
45 LE_2 Latent heat flux at 2m (W/m2)
46 Latitude Latitude (decimal degrees)
47 Longitude Longitude (decimal degrees)
48 MODIS MODIS Land Cover Type 5
49 Minute Minute
50 Month Month
51 NEE Net ecosystem exchange at 29.57m (umol/m2/s)
52 NEE__2 Net ecosystem exchange 2 at 29.57m (umol/m2/s)
53 NEE_fill Net ecosystem exchange fill (umol/m2/s)
54 OrigFile Originating filename
55 PAR Incoming photosynthetically active radiation at 29.6m (umol/m2/s)
56 PAR_12_2 Incoming photosynthetically active radiation at 12.2m (umol/m2/s)
57 PAR_18_3 Incoming photosynthetically active radiation at 18.3m (umol/m2/s)
58 PAR_2 Incoming photosynthetically active radiation at 2m (umol/m2/s)
59 PAR_6_1 Incoming photosynthetically active radiation at 6.1m (umol/m2/s)
60 PAR_fill Incoming photosynthetically active radiation fill (umol/m2/s)
61 PARdif Incoming diffuse PAR at 29.6m (umol/m2/s)
62 PI Principal investigator
63 PIemail PI email
64 PREC Precipitation (mm)
65 PRECcum Precipitation annual cumulative (mm)
66 PRESS Barometric pressure at 29.6m (kPa)
67 PRESS_2 Barometric pressure at 2m (kPa)
68 RE_fill Ecosystem respiration fill (umol/m2/s)
69 RH Relative humidity of air at 24.4m (%)
70 RH_12_2 Relative humidity of air at 12.2m (%)
71 RH_18_3 Relative humidity of air at 18.3m (%)
72 RH_2 Relative humidity of air at 2m (%)
73 RH_7_6 Relative humidity of air at 7.6m (%)
74 RH__2_2 Relative humidity of air 2 at 2m (%)
75 RHstd__2_2 RH stddev 2 at 2m
76 RadTot Incoming total radiation at 29.6m (W/m2)
77 Rg Incoming global solar radiation at 29.6m (W/m2)
78 RgOut Outgoing global solar radiation at 29.6m (W/m2)
79 Rgl Incoming long wave radiation at 29.6m (W/m2)
80 RglOut Outgoing long wave radiation at 29.6m (W/m2)
81 Rgstd Rg stddev
82 Rn Net radiation at 29.6m (W/m2)
83 Rn_2 Net radiation above soil surface, no wind correction at 2m (W/m2)
84 Rn__2_2 Net radiation 2 at 2m (W/m2)
85 Rn_corr_2 Net radiation, wind correction applied at 2m (W/m2)
86 RsHibbard Soil respiration Hibbard 2005 (umol/m2/s)
87 RsHibbardstd Soil respiration Hibbard 2005 stddev (umol/m2/s)
88 SASDTime DateTime
89 SASDate Date
90 SFC CO2 storage flux at 0-29.57m (umol/m2/s)
91 SWC Soil moisture volumetric content at 5cm (%)
92 SWCHibbard Soil moisture for soil resp Hibbard 2005 (%)
93 SWC_10 Soil moisture volumetric content at 10cm (%)
94 SWC_100 Soil moisture volumetric content at 100cm (%)
95 SWC_20 Soil moisture volumetric content at 20cm (%)
96 SWC_50 Soil moisture volumetric content at 50cm (%)
97 Second Second
98 Site Site
99 SiteDesc Site description
100 SiteName Site name
101 TA Air temperature at 29.6m (deg C)
102 TA_0_25 Air temperature at 0.25m (deg C)
103 TA_0_5 Air temperature at 0.5m (deg C)
104 TA_0_75 Air temperature at 0.75m (deg C)
105 TA_1 Air temperature at 1m (deg C)
106 TA_12_2 Air temperature at 12.2m (deg C)
107 TA_18_3 Air temperature at 18.3m (deg C)
108 TA_2 Air temperature at 2m (deg C)
109 TA_24_4 Air temperature at 24.4m (deg C)
110 TA_7_6 Air temperature at 7.6m (deg C)
111 TA__2_2 Air temperature 2 at 2m (deg C)
112 TA__3_2 Air temperature 3 at 2m (deg C)
113 TAstd__2_2 TA stddev 2 at 2m
114 TS Soil temperature at 0cm (deg C)
115 TSHibbard Soil temperature for soil resp Hibbard 2005 (deg C)
116 TS_10 Soil temperature at 10cm (deg C)
117 TS_100 Soil temperature at 100cm (deg C)
118 TS_20 Soil temperature at 20cm (deg C)
119 TS_5 Soil temperature at 5cm (deg C)
120 TS_50 Soil temperature at 50cm (deg C)
121 TS_fill_5 Soil temperature at 5cm fill (deg C)
122 Tbole Tree bole temperature north side (deg C)
123 Tbole__2 Tree bole temperature 2 south side (deg C)
124 Tsonic_2 Temperature from sonic anemometer at 2m (deg C)
125 UST Friction velocity at 29.57m (m/s)
126 UST_2 Friction velocity at 2m (m/s)
127 VPD Vapor pressure deficit calc (kPa)
128 VPD_2 Vapor pressure deficit at 2m calc (kPa)
129 WD Wind direction at 29.6m (deg)
130 WD_12_2 Wind direction at 12.2m (deg)
131 WD_2 Wind direction at 2m (deg)
132 WD_24_4 Wind direction at 24.4m (deg)
133 WD__2_2 Wind direction 2 at 2m (deg)
134 WDstd__2_2 WD stddev 2 at 2m
135 WS Wind speed at 29.6m (m/s)
136 WS_12_2 Wind speed at 12.2m (m/s)
137 WS_2 Wind speed at 2m (m/s)
138 WS_24_4 Wind speed at 24.4m (m/s)
139 WS__2_2 Wind speed 2 at 2m (m/s)
140 Wet Wetness at 29.6m (Kohms)
141 Year Year


 
Willow Creek, Wisconsin, USA
Ameriflux L2 variables mapped to standardized files variables
with gaps

Obs rec
1 /* filename willow creek */
2 /* Modis name uswiwill */
3 /* apply fc_flag on fc, h, le and nee (not sfc). keep result when fc_f=0,1. drop result when fc_f=2 - Bai Yang 09oct08 */
4 CO2top = co2;
5 CO2height = 29.6 ; * CO2 height in meters ;
6 CO2 = co2_21_3; * co2 at 21.3m - bai yang 11may2011;
7 if fc_f in (0,1) then FC = fc; else FC = .;
8 if fc = . then gap = -1; else gap = 0;
9 FG = fg; * fg; * 7.5cm;
10 if fc_f in (0,1) then H = h; else H = .; * h;
11 GPP = gpp_fill ; * include gpp_fill - Bai Yang 11may2011 ;
12 H2O = h2o; * above the canopy ;
13 if fc_f in (0,1) then LE = le; else LE = .; * le;
14 if fc_f in (0,1) then NEE = nee ; else NEE =. ; * nee;
15 PAR = par;
16 PARdif = pardif; * diffuse par;
17 PREC = prec; * prec;
18 PRESS = press; * press;
19 RE = re_fill ; * include re_fill - Bai Yang 11may2011;
20 RH = rh; * rh above the canopy;
21 Rg = rg; * rg;
22 RgOut = rgout; * rgout;
23 Rgl = rgl; * rgl;
24 RglOut = rglout; * rglout;
25 Rn = rn; * above the canopy;
26 SFC = sfc; * sfc;
27 SWC1 = swc ; * swc; * 5cm;
28 SWC2 = swc_10 ; * swc at 10cm ;
29 SWCdepth1 = 5;
30 SWCdepth2 = 10;
31 TA = ta; * ta; * ta above the canopy;
32 TS1 = ts; * ts;
33 TS2 = ts_5; * ts at second depth;
34 TSdepth1 = 0;
35 TSdepth2 = 5;
36 UST = ust; * ust;
37 VPD = vpd; * vpd;
38 WD = wd; * wd; * above the canopy;
39 WS = ws; * ws; * above the canopy;
40 APAR = -6999.; * apar ;
41 APARpct = -6999.; * aparpct ;
42 PARout = -6999.; *parout; *parout;
43 Rgdif = -6999.; *rd; * rgdif diffuse radiation;
44 SH = -6999.; *sh; *sh;
45 SLE = -6999.; *sle; *sle;
46 ZL = -6999.; * zl ;