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Weeds cleared from around eddy tower at the rice field
1683 20090906TW_RadBoomNorth.jpg (2009-10-06 14:46:49 ) Full size: 2048x1536
Weeds cleared from around eddy tower at the rice field

Swallow perched on the radiometers
107 20100622TW_SwallowRadiometers.jpg (2010-06-22 11:47:18 ) Full size: 3648x2736
Swallow perched on the radiometers

Radiometer boom over rice paddy
105 20100622TW_Radiometers.jpg (2010-06-22 12:08:20 ) Full size: 3648x2736
Radiometer boom over rice paddy

Radiometer boom over rice paddy
243 20100817TW_Radiometers.jpg (2010-08-17 10:53:58 ) Full size: 3648x2736
Radiometer boom over rice paddy

Radiometers and tipping bucket at the cow pasture
1530 20110902SI_RadBoomField.jpg (2011-09-02 11:28:10 ) Full size: 3648x2736
Radiometers and tipping bucket at the cow pasture

Small solar panel next to open water radiometers
1528 20110902MB_SolarOpenRadiation.jpg (2011-09-02 14:10:51 ) Full size: 3648x2736
Small solar panel next to open water radiometers

Tule/veg radiometers on new scaffolding tower
1527 20110902MB_ScaffoldTuleRadiation.jpg (2011-09-02 14:11:59 ) Full size: 3648x2736
Tule/veg radiometers on new scaffolding tower

Open water radiometers on new scaffolding tower
1526 20110902MB_ScaffoldOpenRadiation.jpg (2011-09-02 14:12:18 ) Full size: 3648x2736
Open water radiometers on new scaffolding tower

Camera and radiometer on scaffolding above the corn field
2597 20120621DC_CameraRadiometers.jpg (2012-06-21 13:59:44 ) Full size: 4000x3000
Camera and radiometer on scaffolding above the corn field

Eddy tower between sprouting corn fields
2599 20120621DC_TowerRadiometers.jpg (2012-06-21 14:01:12 ) Full size: 4000x3000
Eddy tower between sprouting corn fields

Radiometer boom over the corn field
2736 20120629DC_RadiometeCorn.jpg (2012-06-29 15:20:52 ) Full size: 4000x3000
Radiometer boom over the corn field

Frayed net radiometer wire at tower top
3114 20121211TZ_NetRadCable.jpg (2012-12-11 13:48:13 ) Full size: 1920x1440
Frayed net radiometer wire at tower top

Ice on radiometers
3177 20130103DC_RadiometerFrost.jpg (2013-01-03 09:51:46 ) Full size: 1920x1440
Ice on radiometers

New 4-way net radiometer on the boom at Tonzi Tower
3380 20130410TZ_NewRadiometers1.jpg (2013-04-10 14:16:01 ) Full size: 1920x1440
New 4-way net radiometer on the boom at Tonzi Tower

New 4-way net radiometer on the boom at Tonzi Tower
3381 20130410TZ_NewRadiometers2.jpg (2013-04-10 14:16:28 ) Full size: 1920x1440
New 4-way net radiometer on the boom at Tonzi Tower

Position of the solar radiation sensors
3529 20130710SI_RadPositions.jpg (2013-07-10 09:30:13 ) Full size: 1920x1440
Position of the solar radiation sensors

Open water radiometers moved
3898 20140403MB_OpenWaterRad.jpg (2014-04-03 10:09:10 ) Full size: 1920x1440
Open water radiometers moved

The radiometer were mostly out of the water except the pyranometers of the NR01. These were about half submerged but did seem to leak.
4147 20150105EE_RadiometersOk.jpg (2015-01-05 12:13:33 ) Full size: 1920x1440
The radiometer were mostly out of the water except the pyranometers of the NR01. These were about half submerged but did seem to leak.

Radiation and soil sensors, field mowed by sheep
4193 20150324TA_RadSoil.jpg (2015-03-24 14:17:20 ) Full size: 1024x768
Radiation and soil sensors, field mowed by sheep

Raven eating rad sensors
4542 siwetland_2016_06_25_064607.jpg (2016-06-28 08:18:08 ) Full size: 1296x960
Raven eating rad sensors

Ravens on rad boom
4533 siwetland_2016_06_27_151606.jpg (2016-06-30 16:48:12 ) Full size: 1296x960
Ravens on rad boom

Great Blue Heron on rad boom
4526 EE_autocam_20160701_0745.jpg (2016-07-01 07:45:00 ) Full size: 1920x1440
Great Blue Heron on rad boom

Birds on rad sensors
4543 siwetland_2016_06_28_061607.jpg (2016-07-01 07:48:12 ) Full size: 1296x960
Birds on rad sensors

Radiometer intercomparison
4576 20160922TW_RadiometerTest1_tn.jpg (2016-09-22 16:14:05 ) Full size: 1920x1440
Radiometer intercomparison

Radiometer intercomparison
4577 20160922TW_RadiometerTest2_tn.jpg (2016-09-22 16:18:20 ) Full size: 1920x1440
Radiometer intercomparison

The reflected NDVI/PRI sensors have a narrow 36 deg field of view, so I tilted them from straight down to 30 deg so they can see a little more of the field than before.
4583 20161006BA_Radiometers.jpg (2016-10-06 11:07:52 ) Full size: 1920x1440
The reflected NDVI/PRI sensors have a narrow 36 deg field of view, so I tilted them from straight down to 30 deg so they can see a little more of the field than before.

Radiometers over pasture. Flooding as part of the wetland restoration will start next month.
4581 20161006SW_Radiometers.jpg (2016-10-06 14:40:53 ) Full size: 1920x1440
Radiometers over pasture. Flooding as part of the wetland restoration will start next month.

Weeds under Sherman Barn radiometer that Dennis trimmed away.
4883 20180726SB_WeedsunderRadiometers.JPG (2018-07-26 14:56:43 ) Full size: 1920x1440
Weeds under Sherman Barn radiometer that Dennis trimmed away.

Grackles on railing and rad sensors
5114 siwetland_2019_04_18_084405.jpg (2019-04-18 08:56:46 ) Full size: 1296x960
Grackles on railing and rad sensors

Arable remounted in another temporary location
5064 20190716TZ_RadBoomArable.jpg (2019-07-16 00:00:00 ) Full size: 1920x1440
Arable remounted in another temporary location

Radiometer boom bent and NR01 broken
5109 20191202BC_Radiometers.jpg (2019-12-02 00:00:00 ) Full size: 1440x1920
Radiometer boom bent and NR01 broken

Weeds under radiometers that were not disked. We will have to move the tower into the field after they plant.
5263 20200501BC_GrassUnderRadiometers.jpg (2020-05-01 14:53:51 ) Full size: 1920x1440
Weeds under radiometers that were not disked. We will have to move the tower into the field after they plant.

4-way radiometer and Apogee NDVI sensors
5454 20201203BA_Radiometers.jpg (2020-12-03 10:19:34 ) Full size: 1920x1440
4-way radiometer and Apogee NDVI sensors

The radiometers were buried in the mud.
5472 20210129BC_RadiometersBuried.jpg (2021-01-29 12:01:14 ) Full size: 1440x1920
The radiometers were buried in the mud.

Beginning of net radiometer comparison: AMP CNR4, SW Hukseflux, repaired BC Hukseflux
5490 20210226SW_NetRadCompare.jpg (2021-02-26 00:00:00 ) Full size: 1920x1440
Beginning of net radiometer comparison: AMP CNR4, SW Hukseflux, repaired BC Hukseflux

Full moon at dawn, radiometer intercomparison set up on rad boom
5664 siwetland_2021_02_27_061405.jpg (2021-02-27 06:18:54 ) Full size: 1296x960
Full moon at dawn, radiometer intercomparison set up on rad boom

Camilo and Robert installing flux sensors. The rad boom will be installed in a different position later in the day.
5501 20210311HS_SiteSetup.jpg (2021-03-11 11:07:33 ) Full size: 1440x1920
Camilo and Robert installing flux sensors. The rad boom will be installed in a different position later in the day.

Radiometer inter-comparison and ground sensors in background
5541 20210527BC_Radiometers.jpg (2021-05-27 15:39:58 ) Full size: 1440x1920
Radiometer inter-comparison and ground sensors in background

Radiometer calibration kit installed on Hill Slough rad boom (4-way radiometer, Apogee NDVI pair, PAR). Note high winds blowing the loose cables sideways.
5545 20210609HS_RadCalKit.jpg (2021-06-09 18:45:36 ) Full size: 1440x1920
Radiometer calibration kit installed on Hill Slough rad boom (4-way radiometer, Apogee NDVI pair, PAR). Note high winds blowing the loose cables sideways.

Reference radiometers (4-way, PAR, NDVI pair) set up on EE rad boom for an intercomparison
5562 20210721EE_RadIntercomparison.jpg (2021-07-21 12:54:22 ) Full size: 1920x1441
Reference radiometers (4-way, PAR, NDVI pair) set up on EE rad boom for an intercomparison

Radiometer inter-comparison begun
5721 20210817MB_RadiometerCompare.jpg (2021-08-17 15:10:32 ) Full size: 1920x1440
Radiometer inter-comparison begun

Fresh bird wing in the reeds by the tower, probably dropped from the rad boom.
5782 20211130WP_BirdWing.jpg (2021-11-30 15:25:38 ) Full size: 1440x1920
Fresh bird wing in the reeds by the tower, probably dropped from the rad boom.

Cows have trampled under the radiometers so the sensors are seeing party soil part grass
5794 20220106VR_RadSoil.jpg (2022-01-06 15:20:29 ) Full size: 1440x1920
Cows have trampled under the radiometers so the sensors are seeing party soil part grass

We had to ziptie the radiometer boom back in place because the bolt on the end was not biting into the threads below anymore.
5822 20220301MB_RadBoom.jpg (2022-03-01 12:31:46 ) Full size: 1440x1920
We had to ziptie the radiometer boom back in place because the bolt on the end was not biting into the threads below anymore.

I got caught by a small thunderstorm moving to the NNW
6236 20221206TZ_ThunderstormRadar.jpg (2022-12-06 14:09:58 ) Full size: 630x428
I got caught by a small thunderstorm moving to the NNW

The tules are at the same height of the radiometers.
6336 20230912WP_TulesInRadiometer.jpg (2023-09-12 13:31:34 ) Full size: 1440x1920
The tules are at the same height of the radiometers.

Rad sensors over still water
6406 20240212HS_RadBoom.jpg (2024-02-12 16:46:26 ) Full size: 1920x1440
Rad sensors over still water

Corn under the radiometers is taller than the corn in the middle of the field
6760 20240709BC_Radiometers.jpg (2024-07-09 15:56:32 ) Full size: 1920x1440
Corn under the radiometers is taller than the corn in the middle of the field

Temporarily moved met box to short side of scaffolding to make space for adding additional half layer to raise height of eddy/rad sensors
6797 20240815EE_Box.jpg (2024-08-15 14:15:28 ) Full size: 1158x1920
Temporarily moved met box to short side of scaffolding to make space for adding additional half layer to raise height of eddy/rad sensors

Muddy radiometers from dirty bird feet
6821 20241011MB_DirtyRadiometer.jpg (2024-10-11 12:19:28 ) Full size: 1440x1920
Muddy radiometers from dirty bird feet

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