Skip to main content
rice field banner biometlab logo
   
   
 
   
   
   
   
   
 
 

Field Notes

Fieldnotes Limited To:
Site = Tonzi
Year = 2002

2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024
55 Rows returned:
SiteDateAuthorSummary
Tonzi/Vaira (357) 2002-12-23 12:15:00 LiuKang Xu Solar panels fell over at Vaira, swapped all 7500s, Jianwu added soil co2 profile near Liukang's tree, Tower HMP fan still dead.
Tonzi/Vaira (348) 2002-12-14 08:30:00 Dennis Baldocchi Stormy yesterday, cold today, power down - did not collect data at Vaira, standard fieldwork.
Tonzi (340) 2002-12-06 14:57:00 Ted Hehn Data download, soil moisture measurements, install net rad
Tonzi/Vaira (318) 2002-11-14 13:30:00 LiuKang Xu Soil respiration measurements, tower hmp fan dead, problems with Vaira key board, losing power at Vaira?
Tonzi (310) 2002-11-06 15:25:00 Ted Hehn Floor system watchdog timer not functioning correctly – rain/CO2 event expected tomorrow.
Tonzi/Vaira (309) 2002-11-05 00:00:00 Dennis Baldocchi Rain coming, Vaira clocks fast - reset, swapped IRGAS, Floor PC not running - restarted, smoke in the area
Tonzi/Vaira (297) 2002-10-24 12:00:00 Sno Antonaros Problems with CR10xs, bird spikes, Vaira surface renewal
Tonzi (283) 2002-10-10 15:48:00 Ted Hehn Sno’s first site visit, meet with Susan Hubbard from (LBL)
Tonzi (277) 2002-10-04 14:47:00 Ted Hehn Replace battery, inspect fence, clean solar panels, install conduit on tower.
Tonzi/Vaira (275) 2002-10-02 05:30:00 LiuKang Xu Last predawn water potential, leaves kept breaking off for 6400 measurements, cow fences down - repaired
Tonzi/Vaira (263) 2002-09-20 09:30:00 LiuKang Xu swapped 7500 on all towers, ACi curves, samples for O18 analysis, 6400 chamber TC broke
Tonzi (261) 2002-09-18 15:06:00 Ted Hehn General maintenance.
Tonzi/Vaira (248) 2002-09-05 09:00:00 LiuKang Xu Standard fieldwork, all seems well
Tonzi/Vaira (241) 2002-08-29 04:50:00 LiuKang Xu Predawn water potential, Floor system down from last weeks mucking about?
Tonzi/Vaira (235) 2002-08-23 09:25:00 Dennis Baldocchi Showing sites to visitors, brown leaves on trees, messed about on floor PC
Tonzi/Vaira (227) 2002-08-15 00:00:00 LiuKang Xu Swapped 7500s at all towers, Jianwu's batteries swapped, Nancy's data logger 5 needs new battery, three ACi curves
Tonzi/Vaira (213) 2002-08-01 04:40:00 LiuKang Xu Predawn water potential, Vaira soil moisture sensors wiring locations, standard fieldwork
Tonzi/Vaira (206) 2002-07-25 09:00:00 Dennis Baldocchi Moved Floor 7500 closer to sonic, Mr Tonzi says fire at Tonzi in 1936, 60" of rain in 1997
Tonzi/Vaira (200) 2002-07-19 09:00:00 LiuKang Xu Tower down for a week due to power problem, swapped IRGA at Vaira
Tonzi (192) 2002-07-11 15:50:00 Ted Hehn Tower diagnostics after failure of tower flux system.
Tonzi/Vaira (192) 2002-07-11 04:00:00 LiuKang Xu Predawn water potential, swapped 7500s at Floor and Tower, LI-6400 had trouble only one ACi curve
Tonzi/Vaira (186) 2002-07-05 08:28:00 Dennis Baldocchi New CR10x program for CNR1 but still not working, Two Rnets working in understory, cows removed from Tonzi Ranch
Tonzi/Vaira (179) 2002-06-28 09:00:00 LiuKang Xu Updated program on Jianwu's CR23x, cows being taken off Tonzi Ranch next Saturday 6-29, tried to update CNR1 code on CR10X at Vaira but disk would not read.
Tonzi (176) 2002-06-25 12:30:00 Nancy Kiang Sap flow station maintenance, rebooted Floor computer
Tonzi/Vaira (171) 2002-06-20 04:15:00 LiuKang Xu Predawn water potential, swapped 7500 at Vaira, soil and stem respiration, oak leaf ACi curves
Tonzi/Vaira (164) 2002-06-13 09:30:00 LiuKang Xu Problems with Floor system watch dog, oak leaf ACi curves, Vaira sonic N is facing west.
Tonzi (157) 2002-06-06 15:10:00 Ted Hehn Install tripods for net radiometers, data collection.
Tonzi/Vaira (157) 2002-06-06 10:30:00 Dennis Baldocchi Swapped IRGAS, lowered box fan thermostats to 80F, Measured Tower sonic heading ~285 magnetic, installed extra floor net radiometers, swapped HMP45 at Vaira, installed CNR1 at Vaira but program not right
Tonzi/Vaira (150) 2002-05-30 00:00:00 LiuKang Xu Standard fieldwork, predawn water potential, oak ACi curves, recent rains, Hot
Tonzi/Vaira (143) 2002-05-23 11:32:00 Ted Hehn Checking on things, Tower lost power - lots of lightening a few days ago, downloaded data
Tonzi/Vaira (136) 2002-05-16 10:00:00 LiuKang Xu Standard fieldwork, oak leaf ACi curves, Tower lost a day of data
Tonzi/Vaira (129) 2002-05-09 04:30:00 LiuKang Xu Predawn water potential, Swapped IRGAS at Vaira and Floor, oak leaf ACi curves, missing half day of data at Vaira
Tonzi/Vaira (122) 2002-05-02 09:15:00 LiuKang Xu Standard fieldwork, Tonzi grass ACi curves, Lost half day of data at Tower
Tonzi/Vaira (116) 2002-04-26 09:50:00 LiuKang Xu Floor lost day of data, three oak ACi curves, soil respiration
Tonzi (114) 2002-04-24 13:23:00 Ted Hehn Change execution interval on Tonzi 23x and CR 10, added precipitation gauge, mounted tower PC enclosure, installed power line.
Tonzi/Vaira (108) 2002-04-18 04:30:00 LiuKang Xu Pre-dawn water potential, Swapped Tower 7500s, tried to swap Vaira 7500 but new IRGA out of range,Vaira ACi curves
Tonzi (101) 2002-04-11 12:00:00 Ted Hehn Install nitrogen tanks, swapped IRGAs on FLoor, install PVM, swapped sonic on Tower
Tonzi/Vaira (101) 2002-04-11 09:30:00 LiuKang Xu Swapped sonics at Tower and Vaira, Swapped Floor IRGA, ACi curves.
Tonzi/Vaira (94) 2002-04-04 10:00:00 Dennis Baldocchi Cross compared HMP45s - okay, swapped IRGAs at Tower and Vaira, bird spikes on 7500s, removed orange fence around Floor, Moved Floor IRGA closer to sonic
Tonzi (93) 2002-04-03 14:26:00 Ted Hehn Reset tower, replace electric fence, check sensors.
Tonzi (85) 2002-03-26 13:17:00 Nancy Kiang LAI 2000 measurements, sapflow measurements, check flux system, check soil, download data.
Tonzi/Vaira (79) 2002-03-20 09:30:00 LiuKang Xu Tower system still losing data over night, Oak conservation work group field trip
Tonzi (67) 2002-03-08 00:00:00 Nancy Kiang Lots of rain the last few days, Updated sap flow data logger programs, Moisture Point readings
Tonzi (60) 2002-03-01 13:06:00 Ted Hehn Check PC data loggers and add shortcuts.
Tonzi/Vaira (59) 2002-02-28 00:00:00 LiuKang Xu Swapped batteries for data loggers, swapped IRGAs on Floor and Vaira, adjusted solar panel angles, reset dendrometer 252
Tonzi (54) 2002-02-23 13:04:00 LiuKang LAI Samples
Tonzi (54) 2002-02-23 10:46:00 LiuKang LAI sampling
Tonzi (39) 2002-02-08 15:34:00 Ted Hehn Replace IRGAs, install bird spikes,install Netradiometer
Tonzi/Vaira (39) 2002-02-08 00:00:00 Dennis Baldocchi Soil sample for GSWC and bulk density, Reset clocks - fast by 5min, grass heights
Tonzi (23) 2002-01-23 12:00:00 Ted Hehn Added batteries to Floor and Tower, no serial data from Tower sonic - fixed, added boardwalks near Moisture Point probes
Tonzi (23) 2002-01-23 11:50:00 Nancy Kiang Sap flow maintenance, Moisture Point readings, Pine tree DBHs
Tonzi (15) 2002-01-15 15:59:00 Replace batteries, replace LI7500
Tonzi (10) 2002-01-10 15:45:00 Ted Hehn Check floor and tower, download data
Tonzi (10) 2002-01-10 11:00:00 Nancy Kiang Upgrade sap flow batteries and add spray foam insulation
Tonzi/Vaira (2) 2002-01-02 14:05:00 Dennis Baldocchi Put data loggers on isolated batteries instead of main solar power - data loggers should run even when flux looses power
 
 

Login
Select Notes:

This material is based upon work supported by the National Science Foundation and US Department of Energy. Any opinions, findings, conclusions, or recommendations expressed in the material are those of the author(s) and do not necessarily reflect the views of the supporters.