Field Notes

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Gilbert Tract: 2025-04-17 15:20:00 (DOY 107)
Author: Joe Verfaillie
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Summary: Worked on splicing chewed cables, sonic water level and salinity working I think, removed miniCH4.

Gilbert Tract
2025-04-17

I arrived at about 16:20 PDT. This was a return trip to try to patch things after discovering the cables to the boardwalk were chewed yesterday.

First I spliced the four conductor wire for the miniCH4 with a terminal strip. The chewing had definitely broken some of the conductors. But, the splice still didn't let me communicate with the miniCH4. So I brought it sn 38-573-25 in to test in the lab. I spooled its cable up on the junction box and put the chained float around one of the board walk posts.

I then tried to splice four conductors for the Campbell conductivity measurements (its temp doesn't work). At first this didn't work because I confused gray with a pink striped gray wire. But when I tried to splice the sonic water level and it too had a gray wire and I found my mistake. In the end I think both the conductivity and the sonic water level were working again.

I pushed in one of the spare boardwalk posts waiting to be installed to try and tie the splices above high water level and get all the cable away from ground dwelling, chewing critters. I think it might be better to put a CR10X out on the boardwalk and only run three conductors from power and SDI-12. Or maybe even some solar power so that the 10x will still have data even if the wire gets broken.

I left at about 17:20 PDT

0 photos found

8 sets found

Can't check MBWPEESWGT_mixed
Can't check MBEEWPSWEPGT_cam
16 GT_met graphs found