Eddy flux at foggy farm!


Sara and Andrew with eddy flux tower. Sensor network is used to measure the energy balance of an ecosystem. We are investigating how coastal fog impacts carbon and water fluxes from strawberry fields!


Darren, M.A. student with Andrew at SFSU, and Andrew evaluate tower placement.

160606 UCSC

Moderately wet drizzle this am, but only ~15 mL of sample at UCSC.  System came on at 0445 this am.  Still on at ~10:00.  I am thinking of modifying to a more upward facing system.

160605 UCSC

Surprised by ~100 mL of clear fog water (with one small fly).  Was cloudy but dry at my house so surprised to see there was wetness at UCSC. System cleaned and blank taken.  Many strands broken.

160602 UCSC

Another drippy night and another sample not collected.  Program froze probably due to bad RH sensor.  Intermittent.  I replaced it with a used one, but will wire up another one and replace soon.  Otherwise, triggering process appears to be working normally.

Visibility sensor arrived today.


160531 UCSC

System opened at 0530 and turned off at 0830 (same as on 5/30/16).  No sample present in spite of heavy drip and thick fog at my house, which is about 400′ lower in elevation.  Odd.  System triggering normally.  System cleaned and blank taken and acidified.

160530 UCSC

Treated to about 50 mL of very clear fog water, collected at 9:00, clouds beginning to clear.   Taken home and refrigerated within 1 hour and acidified in the lab the next day 5/31/16.