Changed a rain guage data logger etc.

December 29, 2006

Changed the data logger of rain guage in Ron Risdal site.



Downloaded data from RWB, RWG, RCG and RCF.

Soil temperature sensor of RCF is needed to be changed.


With Lindsey

Gas sampling

December 27th, 2006

Collected gas samples in all sites.
The first anchor of RCG site had ice inside. Check gas flux data of the anchor (see 2nd below photo).

With Lindsey and Phil

Groundwater sampling for dissolved N2O gas

December 22, 2006

Collected groundwaters for determination of dissolved N2O in groudwater in South of Ron Risdal site.

With Jessi

Groundwater sampling for dissolved N2O gas

December 20, 2006

Collected groundwater samples in North of Ron Risdal site (6 wells)

With Jessi

Gas sampling and intact soil core sampling etc.

December 19, 2006

Collected gas samples in all sites

Sampled 10cm intact soil cores in all sites for analyzing nitrate and amminia in soil

Collected buried soil bags and buried new soil bagas in RWB,RWG,RCG, and RCF.





With Lindsey, Phil and Grant

Gas sampling and install corn decomposetion bags

December 08, 2006

Collected gas samples in RWB, RWG, RCG and GCF.

Soil was frozen so we used an electric drill to make holes and then inserted soil thermometers inside the holes.






Installed 12 mesh bags with corn residuals (20.0g) around gas sampling points in RCF (crop field).


With Grnat

Gas sampling and install orange flags

December 5, 2006

Collected gas samples in LWB, LWG, JWB and JWG.

Installed orange flags aroud gas chamber anchors and orange tapes around trees to make easy finding sampling points when snow covers the sites.

With Lindsey and Bryan