# Fiber Sensing in the San Joaquin Valley (Biondi)

**URL:** <https://pulseofthewatershed.discourse.group/t/fiber-sensing-in-the-san-joaquin-valley-biondi/23>\
**Category:** General\
**Created:** [March 11, 2026, 11:26pm UTC](https://pulseofthewatershed.discourse.group/t/fiber-sensing-in-the-san-joaquin-valley-biondi/23 "2026-03-11T23:26:41Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![ettore88](https://avatars.discourse-cdn.com/v4/letter/e/5fc32e/32.png) [@ettore88](https://pulseofthewatershed.discourse.group/u/ettore88)\
**Post date:** [March 11, 2026, 11:26pm UTC](https://pulseofthewatershed.discourse.group/t/fiber-sensing-in-the-san-joaquin-valley-biondi/23/1 "2026-03-11T23:26:42Z")

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Our distributed acoustic sensing (DAS) array is finally in Tulare, recording on a 130 km fiber path at 10 m resolution in space! Here is the fiber path map and the two waterfall plots from the sensing unit along each 65 km segment!

Fiber path map:

 ![TulareDASarray](https://canada1.discourse-cdn.com/flex003/uploads/pulseofthewatershed/original/1X/a9876716ed616c4bb345f54cfb97ed1deef1225c.jpeg)

Eastbound fiber path:

 ![fiber2East](https://canada1.discourse-cdn.com/flex003/uploads/pulseofthewatershed/original/1X/4d55bc7ef72877019005c6c8c205f14ca511fc4f.jpeg)

Westbound fiber path:

 ![fiber1West](https://canada1.discourse-cdn.com/flex003/uploads/pulseofthewatershed/original/1X/8cb69cd7826b8d46dee6f299eaa0d4f860220d4b.jpeg)

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**Author:** ![rknight](https://avatars.discourse-cdn.com/v4/letter/r/96bed5/32.png) [@rknight](https://pulseofthewatershed.discourse.group/u/rknight)\
**Post date:** [March 11, 2026, 11:36pm UTC](https://pulseofthewatershed.discourse.group/t/fiber-sensing-in-the-san-joaquin-valley-biondi/23/2 "2026-03-11T23:36:31Z")

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Congratulations - fantastic seeing this in place! looking forward to many years of data!!

Rosemary

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**Author:** ![SashaMcLarty](https://avatars.discourse-cdn.com/v4/letter/s/f19dbf/32.png) [@SashaMcLarty](https://pulseofthewatershed.discourse.group/u/SashaMcLarty)\
**Post date:** [March 18, 2026, 3:56pm UTC](https://pulseofthewatershed.discourse.group/t/fiber-sensing-in-the-san-joaquin-valley-biondi/23/3 "2026-03-18T15:56:38Z")

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@ettore88 ! Amazing! I look forward to the day where I understand what those figures are showing 🙂