From f4902c2eb5e46f25128a77cb50ec5446940bc074 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?S=C3=B6ren=20Thomsen?= <32633545+soerenthomsen@users.noreply.github.com> Date: Fri, 19 Nov 2021 14:11:53 +0100 Subject: [PATCH] harmonize to unicode, remove old image comments (#165) --- sections/oxygen_mission_execution.md | 10 +--------- 1 file changed, 1 insertion(+), 9 deletions(-) diff --git a/sections/oxygen_mission_execution.md b/sections/oxygen_mission_execution.md index f4a6e552..aaea2d0d 100644 --- a/sections/oxygen_mission_execution.md +++ b/sections/oxygen_mission_execution.md @@ -40,20 +40,12 @@ This will also help to record the sampling depths. When taking samples for the Winkler is not possible, values from the multiparameter sonde might be useful for in situ intercomparisons. The sonde must be calibrated before and after the deployment/recovery (some sondes require to be calibrated the same day, please follow manufacturer recommendations). - - :::{figure-md} CoastalDeployment Deployment from small boat Coastal deployment of a Slocum glider from a small boat (photo taken during the Glider School at PLOCAN). ::: - - :::{figure-md} multiparametersonde Intercomparison with multiparametersonde @@ -101,7 +93,7 @@ Note that the classical Winkler titration method is not reliable at oxygen conce Steps recommended in these regions: 1) Do a 0/100 % calibration before and after deployment in the lab. -2) Measure Winkler in samples with concentration higher than 20 $\mu$mol/kg, typically in the mixed layer during the deployment and/or recovery. +2) Measure Winkler in samples with concentration higher than 20 μmol kg-1, typically in the mixed layer during the deployment and/or recovery. The Winkler method is also a problem when there is a strong vertical gradient, typically found in OMZ regions. Thus calibration points below the mixed layer are often not suitable. Look for regions with weak vertical gradients.