Wahl, Martin (2014): Measurements of pH in a boundary layer covering the thallus of the macroalga Fucus vesiculosus under variable light and current conditions 22.-28. August 2013 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.840653, In supplement to: Wahl, Martin; Saderne, Vincent; Sawall, Yvonne (2016): How good are we at assessing the impact of ocean acidification in coastal systems? Limitations, omissions and strengths of commonly used experimental approaches with special emphasis on the neglected role of fluctuations. Marine and Freshwater Research, 67(1), 25, https://doi.org/10.1071/MF14154
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Comment:
Microsensor- set-up by UniSense (Arhus, Denmark): Motorized micromanipulator, microsensors' tip diameter was 10 µm, pH sensor is a potentiometric microelectrode, O2 sensor is a Clark-type sensor, software SensorTrace PRO
Light source: SCHOTT KL 1500 gooseneck light
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Species | Species | Wahl, Martin | |||
| 2 | Temperature, water | Temp | °C | Wahl, Martin | ||
| 3 | Current speed | V | cm/s | Wahl, Martin | water velocity | |
| 4 | Light saturation | Ek | µmol/m2/s | Wahl, Martin | ||
| 5 | Distance | Distance | µm | Wahl, Martin | to alga surface | |
| 6 | pH | pH | Wahl, Martin | |||
| 7 | pH, standard deviation | pH std dev | ± | Wahl, Martin |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
617 data points
Data
| 1 Species | 2 Temp [°C] | 3 V [cm/s] | 4 Ek [µmol/m2/s] | 5 Distance [µm] | 6 pH | 7 pH std dev [±] |
|---|---|---|---|---|---|---|
| Fucus vesiculosus | 20 | 0.0 | 300 | 2000 | 8.0512 | 0.0069 |
| Fucus vesiculosus | 20 | 0.0 | 300 | 1900 | 8.0509 | 0.0088 |
| Fucus vesiculosus | 20 | 0.0 | 300 | 1800 | 8.0536 | 0.0061 |
| Fucus vesiculosus | 20 | 0.0 | 300 | 1700 | 8.0505 | 0.0053 |
| Fucus vesiculosus | 20 | 0.0 | 300 | 1600 | 8.0492 | 0.0055 |
| Fucus vesiculosus | 20 | 0.0 | 300 | 1500 | 8.0506 | 0.0049 |
| Fucus vesiculosus | 20 | 0.0 | 300 | 1400 | 8.0506 | 0.0067 |
| Fucus vesiculosus | 20 | 0.0 | 300 | 1300 | 8.0532 | 0.0047 |
| Fucus vesiculosus | 20 | 0.0 | 300 | 1200 | 8.0479 | 0.0086 |
| Fucus vesiculosus | 20 | 0.0 | 300 | 1100 | 8.0479 | 0.0077 |
| Fucus vesiculosus | 20 | 0.0 | 300 | 1000 | 8.0483 | 0.0078 |
| Fucus vesiculosus | 20 | 0.0 | 300 | 900 | 8.0520 | 0.0055 |
| Fucus vesiculosus | 20 | 0.0 | 300 | 800 | 8.0579 | 0.0037 |
| Fucus vesiculosus | 20 | 0.0 | 300 | 700 | 8.0865 | 0.0058 |
| Fucus vesiculosus | 20 | 0.0 | 300 | 600 | 8.1530 | 0.0250 |
| Fucus vesiculosus | 20 | 0.0 | 300 | 500 | 8.2687 | 0.0305 |
| Fucus vesiculosus | 20 | 0.0 | 300 | 400 | 8.4346 | 0.0141 |
| Fucus vesiculosus | 20 | 0.0 | 300 | 300 | 8.6347 | 0.0156 |
| Fucus vesiculosus | 20 | 0.0 | 300 | 200 | 8.8357 | 0.0561 |
| Fucus vesiculosus | 20 | 0.0 | 300 | 100 | 9.0288 | 0.1112 |
| Fucus vesiculosus | 20 | 0.0 | 300 | 0 | 9.1366 | 0.0835 |
| Fucus vesiculosus | 20 | 0.0 | 0 | 2000 | 8.0414 | 0.0049 |
| Fucus vesiculosus | 20 | 0.0 | 0 | 1900 | 8.0415 | 0.0026 |
| Fucus vesiculosus | 20 | 0.0 | 0 | 1800 | 8.0380 | 0.0040 |
| Fucus vesiculosus | 20 | 0.0 | 0 | 1700 | 8.0395 | 0.0020 |
| Fucus vesiculosus | 20 | 0.0 | 0 | 1600 | 8.0402 | 0.0023 |
| Fucus vesiculosus | 20 | 0.0 | 0 | 1500 | 8.0395 | 0.0032 |
| Fucus vesiculosus | 20 | 0.0 | 0 | 1400 | 8.0371 | 0.0067 |
| Fucus vesiculosus | 20 | 0.0 | 0 | 1300 | 8.0406 | 0.0056 |
| Fucus vesiculosus | 20 | 0.0 | 0 | 1200 | 8.0449 | 0.0036 |
| Fucus vesiculosus | 20 | 0.0 | 0 | 1100 | 8.0432 | 0.0053 |
| Fucus vesiculosus | 20 | 0.0 | 0 | 1000 | 8.0458 | 0.0032 |
| Fucus vesiculosus | 20 | 0.0 | 0 | 900 | 8.0459 | 0.0030 |
| Fucus vesiculosus | 20 | 0.0 | 0 | 800 | 8.0453 | 0.0028 |
| Fucus vesiculosus | 20 | 0.0 | 0 | 700 | 8.0416 | 0.0046 |
| Fucus vesiculosus | 20 | 0.0 | 0 | 600 | 8.0356 | 0.0068 |
| Fucus vesiculosus | 20 | 0.0 | 0 | 500 | 8.0258 | 0.0062 |
| Fucus vesiculosus | 20 | 0.0 | 0 | 400 | 7.9954 | 0.0088 |
| Fucus vesiculosus | 20 | 0.0 | 0 | 300 | 7.9441 | 0.0074 |
| Fucus vesiculosus | 20 | 0.0 | 0 | 200 | 7.8642 | 0.0174 |
| Fucus vesiculosus | 20 | 0.0 | 0 | 100 | 7.7446 | 0.0446 |
| Fucus vesiculosus | 20 | 0.0 | 0 | 0 | 7.6350 | 0.0508 |
| Fucus vesiculosus | 20 | 0.5 | 300 | 600 | 8.0440 | |
| Fucus vesiculosus | 20 | 0.5 | 300 | 550 | 8.0501 | |
| Fucus vesiculosus | 20 | 0.5 | 300 | 500 | 8.0526 | |
| Fucus vesiculosus | 20 | 0.5 | 300 | 450 | 8.0521 | |
| Fucus vesiculosus | 20 | 0.5 | 300 | 400 | 8.0530 | |
| Fucus vesiculosus | 20 | 0.5 | 300 | 350 | 8.0532 | |
| Fucus vesiculosus | 20 | 0.5 | 300 | 300 | 8.0461 | |
| Fucus vesiculosus | 20 | 0.5 | 300 | 250 | 8.0498 | |
| Fucus vesiculosus | 20 | 0.5 | 300 | 200 | 8.0574 | |
| Fucus vesiculosus | 20 | 0.5 | 300 | 150 | 8.0978 | |
| Fucus vesiculosus | 20 | 0.5 | 300 | 100 | 8.2618 | |
| Fucus vesiculosus | 20 | 0.5 | 300 | 50 | 8.3621 | |
| Fucus vesiculosus | 20 | 0.5 | 300 | 0 | 8.3707 | |
| Fucus vesiculosus | 20 | 0.5 | 0 | 600 | 8.0475 | 0.0109 |
| Fucus vesiculosus | 20 | 0.5 | 0 | 550 | 8.0485 | 0.0069 |
| Fucus vesiculosus | 20 | 0.5 | 0 | 500 | 8.0483 | 0.0068 |
| Fucus vesiculosus | 20 | 0.5 | 0 | 450 | 8.0493 | 0.0094 |
| Fucus vesiculosus | 20 | 0.5 | 0 | 400 | 8.0485 | 0.0040 |
| Fucus vesiculosus | 20 | 0.5 | 0 | 350 | 8.0491 | 0.0084 |
| Fucus vesiculosus | 20 | 0.5 | 0 | 300 | 8.0450 | 0.0093 |
| Fucus vesiculosus | 20 | 0.5 | 0 | 250 | 8.0485 | 0.0085 |
| Fucus vesiculosus | 20 | 0.5 | 0 | 200 | 8.0475 | 0.0080 |
| Fucus vesiculosus | 20 | 0.5 | 0 | 150 | 8.0409 | 0.0145 |
| Fucus vesiculosus | 20 | 0.5 | 0 | 100 | 8.0199 | 0.0353 |
| Fucus vesiculosus | 20 | 0.5 | 0 | 50 | 7.9996 | 0.0585 |
| Fucus vesiculosus | 20 | 0.5 | 0 | 0 | 7.9895 | 0.0621 |
| Fucus vesiculosus | 20 | 1.5 | 300 | 400 | 8.0577 | 0.0079 |
| Fucus vesiculosus | 20 | 1.5 | 300 | 360 | 8.0534 | 0.0095 |
| Fucus vesiculosus | 20 | 1.5 | 300 | 320 | 8.0530 | 0.0099 |
| Fucus vesiculosus | 20 | 1.5 | 300 | 280 | 8.0532 | 0.0094 |
| Fucus vesiculosus | 20 | 1.5 | 300 | 240 | 8.0489 | 0.0116 |
| Fucus vesiculosus | 20 | 1.5 | 300 | 200 | 8.0562 | 0.0075 |
| Fucus vesiculosus | 20 | 1.5 | 300 | 160 | 8.1051 | 0.0167 |
| Fucus vesiculosus | 20 | 1.5 | 300 | 120 | 8.2184 | 0.0737 |
| Fucus vesiculosus | 20 | 1.5 | 300 | 80 | 8.3973 | 0.1631 |
| Fucus vesiculosus | 20 | 1.5 | 300 | 40 | 8.4541 | 0.1915 |
| Fucus vesiculosus | 20 | 1.5 | 300 | 0 | 8.4090 | 0.1693 |
| Fucus vesiculosus | 20 | 1.5 | 0 | 400 | 8.0517 | 0.0037 |
| Fucus vesiculosus | 20 | 1.5 | 0 | 360 | 8.0502 | 0.0055 |
| Fucus vesiculosus | 20 | 1.5 | 0 | 320 | 8.0494 | 0.0057 |
| Fucus vesiculosus | 20 | 1.5 | 0 | 280 | 8.0512 | 0.0045 |
| Fucus vesiculosus | 20 | 1.5 | 0 | 240 | 8.0473 | 0.0074 |
| Fucus vesiculosus | 20 | 1.5 | 0 | 200 | 8.0477 | 0.0083 |
| Fucus vesiculosus | 20 | 1.5 | 0 | 160 | 8.0445 | 0.0108 |
| Fucus vesiculosus | 20 | 1.5 | 0 | 120 | 8.0284 | 0.0268 |
| Fucus vesiculosus | 20 | 1.5 | 0 | 80 | 8.0085 | 0.0463 |
| Fucus vesiculosus | 20 | 1.5 | 0 | 40 | 8.0012 | 0.0543 |
| Fucus vesiculosus | 20 | 1.5 | 0 | 0 | 8.0126 | 0.0425 |