Brown, Rachel Mary; Wilson, Paul A; Crocker, Anya J; Thomas, Chalk (2023): Late Pleistocene δ¹¹B based carbon dioxide levels from ODP Site 154-926 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.946154
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Abstract:
Earth's climate cooled markedly during the Late Miocene from 12 to 5 million years ago, with far-reaching consequences for global ecosystems. However, the driving forces of these changes remain controversial. A major obstacle to progress is the uncertainty over the role played by greenhouse gas radiative forcing. Here we present boron isotope compositions for planktonic foraminifera, which record carbon dioxide change for the interval of most rapid cooling, the Late Miocene Cooling event between 7 and 5 Ma. Our record suggests that CO₂ declined by some 100 ppm over this two-million year-long interval to a minimum at approximately 5.9 Ma. Having accounted non-CO₂ greenhouse gasses and slow climate feedbacks, we estimate global mean surface temperature change for a doubling of CO₂ - Equilibrium Climate Sensitivity - to be 3.9˚C (1.8–6.7 ˚C at 95% confidence) based on comparison of our record of radiative forcing from CO₂ with a record of global mean surface temperature change. We conclude that changes in CO₂ and climate were closely coupled during the latest Miocene and that Equilibrium Climate Sensitivity was within range of estimates for the late Pleistocene, other intervals of the Cenozoic, and the 21st century as presented by the Intergovernmental Panel on Climate Change.
Related to:
Brown, Rachel Mary; Chalk, Thomas B; Crocker, Anya J; Wilson, Paul A; Foster, Gavin L (2022): Late Miocene cooling coupled to carbon dioxide with Pleistocene-like climate sensitivity. Nature Geoscience, 15(8), 664-670, https://doi.org/10.1038/s41561-022-00982-7
Coverage:
Median Latitude: 3.719020 * Median Longitude: -42.908300 * South-bound Latitude: 3.718830 * West-bound Longitude: -42.908400 * North-bound Latitude: 3.719130 * East-bound Longitude: -42.908100
Date/Time Start: 1994-02-19T11:30:00 * Date/Time End: 1994-02-27T16:00:00
Minimum DEPTH, sediment/rock: 135.235 m * Maximum DEPTH, sediment/rock: 172.525 m
Event(s):
154-926A * Latitude: 3.719100 * Longitude: -42.908100 * Date/Time Start: 1994-02-19T11:30:00 * Date/Time End: 1994-02-21T10:30:00 * Elevation: -3610.0 m * Penetration: 327 m * Recovery: 334.92 m * Location: North Atlantic Ocean * Campaign: Leg154 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 35 cores; 327 m cored; 0 m drilled; 102.4 % recovery
154-926B * Latitude: 3.719130 * Longitude: -42.908400 * Date/Time Start: 1994-02-21T10:30:00 * Date/Time End: 1994-02-25T19:00:00 * Elevation: -3610.0 m * Penetration: 605.8 m * Recovery: 593.25 m * Location: North Atlantic Ocean * Campaign: Leg154 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 64 cores; 605.8 m cored; 0 m drilled; 97.9 % recovery
154-926C * Latitude: 3.718830 * Longitude: -42.908400 * Date/Time Start: 1994-02-25T19:00:00 * Date/Time End: 1994-02-27T16:00:00 * Elevation: -3610.0 m * Penetration: 398.3 m * Recovery: 394.21 m * Location: North Atlantic Ocean * Campaign: Leg154 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 42 cores; 397.8 m cored; 0 m drilled; 99.1 % recovery
Parameter(s):
# | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
---|---|---|---|---|---|---|
1 | Event label | Event | Brown, Rachel Mary | |||
2 | Date/Time of event | Date/Time | Brown, Rachel Mary | |||
3 | Latitude of event | Latitude | Brown, Rachel Mary | |||
4 | Longitude of event | Longitude | Brown, Rachel Mary | |||
5 | Sample code/label | Sample label | Brown, Rachel Mary | |||
6 | DEPTH, sediment/rock | Depth sed | m | Brown, Rachel Mary | Geocode – mbsf | |
7 | Depth, composite | Depth comp | mcd | Brown, Rachel Mary | ||
8 | AGE | Age | ka BP | Brown, Rachel Mary | Geocode | |
9 | Cibicides wuellerstorfi, δ18O | C. wuellerstorfi δ18O | ‰ PDB | Brown, Rachel Mary | ||
10 | Cibicides wuellerstorfi, δ13C | C. wuellerstorfi δ13C | ‰ PDB | Brown, Rachel Mary | ||
11 | Globigerinoides ruber, Magnesium/Calcium ratio | G. ruber Mg/Ca | mmol/mol | Brown, Rachel Mary | Inductively coupled plasma - mass spectrometry (ICP-MS) | 300-355 mm |
12 | Globigerinoides ruber, Magnesium/Calcium ratio | G. ruber Mg/Ca | mmol/mol | Brown, Rachel Mary | Calculated according to Lear et al. (2015) | |
13 | Globigerinoides ruber, Boron/Calcium ratio | G. ruber B/Ca | mmol/mol | Brown, Rachel Mary | Inductively coupled plasma - mass spectrometry (ICP-MS) | 300-355 mm |
14 | Globigerinoides ruber, Aluminium/Calcium ratio | G. ruber Al/Ca | mmol/mol | Brown, Rachel Mary | Inductively coupled plasma - mass spectrometry (ICP-MS) | 300-355 mm |
15 | Sea surface temperature | SST | °C | Brown, Rachel Mary | Sea surface temperature used in subsequent calculations determined from measured Mg/Ca | |
16 | Sea surface temperature, uncertainty | SST unc | ± | Brown, Rachel Mary | 1 sigma | |
17 | Globigerinoides ruber, δ11B | G. ruber δ11B | ‰ SRM | Brown, Rachel Mary | Multi-collector inductively coupled plasma mass spectrometer (MC-ICP-MS) | 1st δ¹¹B measurement of G. ruber (300-355 mm) as described in Methods |
18 | Globigerinoides ruber, δ11B, uncertainty | G. ruber δ11B unc | ± | Brown, Rachel Mary | Calculated, see reference(s) | 1st δ¹¹B measurement determined using equation [1] in Methods based on repeat measurements of in-house standard (see Methods for more details). 2 sigma. |
19 | Globigerinoides ruber, δ11B | G. ruber δ11B | ‰ SRM | Brown, Rachel Mary | Multi-collector inductively coupled plasma mass spectrometer (MC-ICP-MS) | 2nd δ¹¹B measurement of G. ruber (300-355 mm) as described in Methods |
20 | Globigerinoides ruber, δ11B, uncertainty | G. ruber δ11B unc | ± | Brown, Rachel Mary | Calculated, see reference(s) | 2nd δ¹¹B measurement determined using equation [1] in Methods based on repeat measurements of in-house standard (see Methods for more details). 2 sigma. |
21 | Globigerinoides ruber, δ11B | G. ruber δ11B | ‰ SRM | Brown, Rachel Mary | Multi-collector inductively coupled plasma mass spectrometer (MC-ICP-MS) | Average (300-355 mm) |
22 | Globigerinoides ruber, δ11B, uncertainty | G. ruber δ11B unc | ± | Brown, Rachel Mary | Calculated, see reference(s) | Permil Uncertainty in δ¹¹B determined using equation [1] in Methods based on repeat measurements of in-house standard (see Methods for more details). 2 sigma. |
23 | Salinity | Sal | Brown, Rachel Mary | Assumed salinity, in practical salinity units | ||
24 | Salinity, uncertainty | Sal unc | ± | Brown, Rachel Mary | ||
25 | δ11B, seawater, reconstructed | δ11Bsw | ‰ SRM | Brown, Rachel Mary | Reconstructed | |
26 | δ11B, seawater, reconstructed, uncertainty | δ11Bsw unc | ± | Brown, Rachel Mary | Reconstructed | 2 sigma |
27 | Carbon, inorganic, dissolved | DIC | µmol/kg | Brown, Rachel Mary | Calculated, see reference(s) | calculated using equation [2] |
28 | Carbon, inorganic, dissolved, uncertainty | DIC unc | ± | Brown, Rachel Mary | 1 sigma | |
29 | δ11B, aqueous | δ11Baq | ‰ SRM | Brown, Rachel Mary | Fractionation from Klochko et al. (2006) | |
30 | Boron, total, seawater | B tot sw | µmol/kg | Brown, Rachel Mary | Calculated with seacarb package in R | Total boron of seawater ([B]T) at S=35. |
31 | Boron, total, seawater | B tot sw | µmol/kg | Brown, Rachel Mary | Calculated with seacarb package in R | [B]T: 0.03; percentiles from the Monte Carlo output (see Methods), 2.5 and 97.5 percentiles form the 95% confidence interval, the 14 and 86 percentiles form the 68% confidence interval. |
32 | Boron, total, seawater | B tot sw | µmol/kg | Brown, Rachel Mary | Calculated with seacarb package in R | [B]T: 0.14; percentiles from the Monte Carlo output (see Methods), 2.5 and 97.5 percentiles form the 95% confidence interval, the 14 and 86 percentiles form the 68% confidence interval. |
33 | Boron, total, seawater | B tot sw | µmol/kg | Brown, Rachel Mary | Calculated with seacarb package in R | [B]T: 0.86; percentiles from the Monte Carlo output (see Methods), 2.5 and 97.5 percentiles form the 95% confidence interval, the 14 and 86 percentiles form the 68% confidence interval. |
34 | Boron, total, seawater | B tot sw | µmol/kg | Brown, Rachel Mary | Calculated with seacarb package in R | [B]T: 0.98; percentiles from the Monte Carlo output (see Methods), 2.5 and 97.5 percentiles form the 95% confidence interval, the 14 and 86 percentiles form the 68% confidence interval. |
35 | Boron, seawater, logarithmic base dissociation constant | B sw pk(b) | Brown, Rachel Mary | Calculated with seacarb package in R | Dissacociation constant of boron in sea water (pKB) | |
36 | Boron, seawater, logarithmic base dissociation constant | B sw pk(b) | Brown, Rachel Mary | Calculated with seacarb package in R | pKB: 0.03; percentiles from the Monte Carlo output (see Methods), 2.5 and 97.5 percentiles form the 95% confidence interval, the 14 and 86 percentiles form the 68% confidence interval. | |
37 | Boron, seawater, logarithmic base dissociation constant | B sw pk(b) | Brown, Rachel Mary | Calculated with seacarb package in R | pKB: 0.14; percentiles from the Monte Carlo output (see Methods), 2.5 and 97.5 percentiles form the 95% confidence interval, the 14 and 86 percentiles form the 68% confidence interval. | |
38 | Boron, seawater, logarithmic base dissociation constant | B sw pk(b) | Brown, Rachel Mary | Calculated with seacarb package in R | pKB: 0.86; percentiles from the Monte Carlo output (see Methods), 2.5 and 97.5 percentiles form the 95% confidence interval, the 14 and 86 percentiles form the 68% confidence interval. | |
39 | Boron, seawater, logarithmic base dissociation constant | B sw pk(b) | Brown, Rachel Mary | Calculated with seacarb package in R | pKB: 0.98; percentiles from the Monte Carlo output (see Methods), 2.5 and 97.5 percentiles form the 95% confidence interval, the 14 and 86 percentiles form the 68% confidence interval. | |
40 | Ion product of water | Kw | mol/kg | Brown, Rachel Mary | Calculated with seacarb package in R | Ion product of water (Kw) |
41 | Ion product of water | Kw | mol/kg | Brown, Rachel Mary | Calculated with seacarb package in R | Kw: 0.03; percentiles from the Monte Carlo output (see Methods), 2.5 and 97.5 percentiles form the 95% confidence interval, the 14 and 86 percentiles form the 68% confidence interval. |
42 | Ion product of water | Kw | mol/kg | Brown, Rachel Mary | Calculated with seacarb package in R | Kw: 0.14; percentiles from the Monte Carlo output (see Methods), 2.5 and 97.5 percentiles form the 95% confidence interval, the 14 and 86 percentiles form the 68% confidence interval. |
43 | Ion product of water | Kw | mol/kg | Brown, Rachel Mary | Calculated with seacarb package in R | Kw: 0.86; percentiles from the Monte Carlo output (see Methods), 2.5 and 97.5 percentiles form the 95% confidence interval, the 14 and 86 percentiles form the 68% confidence interval. |
44 | Ion product of water | Kw | mol/kg | Brown, Rachel Mary | Calculated with seacarb package in R | Kw: 0.98; percentiles from the Monte Carlo output (see Methods), 2.5 and 97.5 percentiles form the 95% confidence interval, the 14 and 86 percentiles form the 68% confidence interval. |
45 | Henry's law constant | H | Brown, Rachel Mary | Calculated with seacarb package in R | Henry's constant (K0) | |
46 | Henry's law constant | H | Brown, Rachel Mary | Calculated with seacarb package in R | K0: 0.03; percentiles from the Monte Carlo output (see Methods), 2.5 and 97.5 percentiles form the 95% confidence interval, the 14 and 86 percentiles form the 68% confidence interval. | |
47 | Henry's law constant | H | Brown, Rachel Mary | Calculated with seacarb package in R | K0: 0.14; percentiles from the Monte Carlo output (see Methods), 2.5 and 97.5 percentiles form the 95% confidence interval, the 14 and 86 percentiles form the 68% confidence interval. | |
48 | Henry's law constant | H | Brown, Rachel Mary | Calculated with seacarb package in R | K0: 0.86; percentiles from the Monte Carlo output (see Methods), 2.5 and 97.5 percentiles form the 95% confidence interval, the 14 and 86 percentiles form the 68% confidence interval. | |
49 | Henry's law constant | H | Brown, Rachel Mary | Calculated with seacarb package in R | K0: 0.98; percentiles from the Monte Carlo output (see Methods), 2.5 and 97.5 percentiles form the 95% confidence interval, the 14 and 86 percentiles form the 68% confidence interval. | |
50 | Carbonic acid, dissociation constant | H2CO3 K | mol/kg | Brown, Rachel Mary | Calculated with seacarb package in R | First dissociation constant of carbonic acid (K1) |
51 | Carbonic acid, dissociation constant | H2CO3 K | mol/kg | Brown, Rachel Mary | Calculated with seacarb package in R | K1: 0.03; percentiles from the Monte Carlo output (see Methods), 2.5 and 97.5 percentiles form the 95% confidence interval, the 14 and 86 percentiles form the 68% confidence interval. |
52 | Carbonic acid, dissociation constant | H2CO3 K | mol/kg | Brown, Rachel Mary | Calculated with seacarb package in R | K1: 0.14; percentiles from the Monte Carlo output (see Methods), 2.5 and 97.5 percentiles form the 95% confidence interval, the 14 and 86 percentiles form the 68% confidence interval. |
53 | Carbonic acid, dissociation constant | H2CO3 K | mol/kg | Brown, Rachel Mary | Calculated with seacarb package in R | K1: 0.86; percentiles from the Monte Carlo output (see Methods), 2.5 and 97.5 percentiles form the 95% confidence interval, the 14 and 86 percentiles form the 68% confidence interval. |
54 | Carbonic acid, dissociation constant | H2CO3 K | mol/kg | Brown, Rachel Mary | Calculated with seacarb package in R | K1: 0.98; percentiles from the Monte Carlo output (see Methods), 2.5 and 97.5 percentiles form the 95% confidence interval, the 14 and 86 percentiles form the 68% confidence interval. |
55 | Carbonic acid, dissociation constant | H2CO3 K | mol/kg | Brown, Rachel Mary | Calculated with seacarb package in R | Second dissociation constant of carbonic acid (K2) |
56 | Carbonic acid, dissociation constant | H2CO3 K | mol/kg | Brown, Rachel Mary | Calculated with seacarb package in R | K2: 0.03; percentiles from the Monte Carlo output (see Methods), 2.5 and 97.5 percentiles form the 95% confidence interval, the 14 and 86 percentiles form the 68% confidence interval. |
57 | Carbonic acid, dissociation constant | H2CO3 K | mol/kg | Brown, Rachel Mary | Calculated with seacarb package in R | K2: 0.14; percentiles from the Monte Carlo output (see Methods), 2.5 and 97.5 percentiles form the 95% confidence interval, the 14 and 86 percentiles form the 68% confidence interval. |
58 | Carbonic acid, dissociation constant | H2CO3 K | mol/kg | Brown, Rachel Mary | Calculated with seacarb package in R | K2: 0.86; percentiles from the Monte Carlo output (see Methods), 2.5 and 97.5 percentiles form the 95% confidence interval, the 14 and 86 percentiles form the 68% confidence interval. |
59 | Carbonic acid, dissociation constant | H2CO3 K | mol/kg | Brown, Rachel Mary | Calculated with seacarb package in R | K2: 0.98; percentiles from the Monte Carlo output (see Methods), 2.5 and 97.5 percentiles form the 95% confidence interval, the 14 and 86 percentiles form the 68% confidence interval. |
60 | pH | pH | Brown, Rachel Mary | Calculated from δ¹¹B, see reference | Total scale | |
61 | pH | pH | Brown, Rachel Mary | Calculated from δ¹¹B, see reference | pH (total scale): 0.03; percentiles from the Monte Carlo output (see Methods), 2.5 and 97.5 percentiles form the 95% confidence interval, the 14 and 86 percentiles form the 68% confidence interval. | |
62 | pH | pH | Brown, Rachel Mary | Calculated from δ¹¹B, see reference | pH (total scale): 0.14; percentiles from the Monte Carlo output (see Methods), 2.5 and 97.5 percentiles form the 95% confidence interval, the 14 and 86 percentiles form the 68% confidence interval. | |
63 | pH | pH | Brown, Rachel Mary | Calculated from δ¹¹B, see reference | pH (total scale): 0.86; percentiles from the Monte Carlo output (see Methods), 2.5 and 97.5 percentiles form the 95% confidence interval, the 14 and 86 percentiles form the 68% confidence interval. | |
64 | pH | pH | Brown, Rachel Mary | Calculated from δ¹¹B, see reference | pH (total scale): 0.98; percentiles from the Monte Carlo output (see Methods), 2.5 and 97.5 percentiles form the 95% confidence interval, the 14 and 86 percentiles form the 68% confidence interval. | |
65 | Carbon dioxide, partial pressure | pCO2 | ppmv | Brown, Rachel Mary | Calculated from δ¹¹B, see reference | pCO₂atm |
66 | Carbon dioxide, partial pressure | pCO2 | ppmv | Brown, Rachel Mary | Calculated from δ¹¹B, see reference | pCO₂atm: 0.03; percentiles from the Monte Carlo output (see Methods), 2.5 and 97.5 percentiles form the 95% confidence interval, the 14 and 86 percentiles form the 68% confidence interval. |
67 | Carbon dioxide, partial pressure | pCO2 | ppmv | Brown, Rachel Mary | Calculated from δ¹¹B, see reference | pCO₂atm: 0.14; percentiles from the Monte Carlo output (see Methods), 2.5 and 97.5 percentiles form the 95% confidence interval, the 14 and 86 percentiles form the 68% confidence interval. |
68 | Carbon dioxide, partial pressure | pCO2 | ppmv | Brown, Rachel Mary | Calculated from δ¹¹B, see reference | pCO₂atm: 0.86; percentiles from the Monte Carlo output (see Methods), 2.5 and 97.5 percentiles form the 95% confidence interval, the 14 and 86 percentiles form the 68% confidence interval. |
69 | Carbon dioxide, partial pressure | pCO2 | ppmv | Brown, Rachel Mary | Calculated from δ¹¹B, see reference | pCO₂atm: 0.98; percentiles from the Monte Carlo output (see Methods), 2.5 and 97.5 percentiles form the 95% confidence interval, the 14 and 86 percentiles form the 68% confidence interval. |
70 | Relative change in pH | ΔpH | Brown, Rachel Mary | Calculated from δ¹¹B, see reference | ΔpH (total scale) | |
71 | Relative change in pH | ΔpH | Brown, Rachel Mary | Calculated from δ¹¹B, see reference | ΔpH (total scale): 0.03; percentiles from the Monte Carlo output (see Methods), 2.5 and 97.5 percentiles form the 95% confidence interval, the 14 and 86 percentiles form the 68% confidence interval. | |
72 | Relative change in pH | ΔpH | Brown, Rachel Mary | Calculated from δ¹¹B, see reference | ΔpH (total scale): 0.14; percentiles from the Monte Carlo output (see Methods), 2.5 and 97.5 percentiles form the 95% confidence interval, the 14 and 86 percentiles form the 68% confidence interval. | |
73 | Relative change in pH | ΔpH | Brown, Rachel Mary | Calculated from δ¹¹B, see reference | ΔpH (total scale): 0.86; percentiles from the Monte Carlo output (see Methods), 2.5 and 97.5 percentiles form the 95% confidence interval, the 14 and 86 percentiles form the 68% confidence interval. | |
74 | Relative change in pH | ΔpH | Brown, Rachel Mary | Calculated from δ¹¹B, see reference | ΔpH (total scale): 0.98; percentiles from the Monte Carlo output (see Methods), 2.5 and 97.5 percentiles form the 95% confidence interval, the 14 and 86 percentiles form the 68% confidence interval. | |
75 | Climate forcing from carbon dioxide | ΔFCO2 | W/m2 | Brown, Rachel Mary | Calculated according to Hain et al. (2018) | Climate forcing from CO₂ (ΔFCO₂) |
76 | Climate forcing from carbon dioxide | ΔFCO2 | W/m2 | Brown, Rachel Mary | Calculated according to Hain et al. (2018) | ΔFCO₂: 0.03; percentiles from the Monte Carlo output (see Methods), 2.5 and 97.5 percentiles form the 95% confidence interval, the 14 and 86 percentiles form the 68% confidence interval. |
77 | Climate forcing from carbon dioxide | ΔFCO2 | W/m2 | Brown, Rachel Mary | Calculated according to Hain et al. (2018) | ΔFCO₂: 0.14; percentiles from the Monte Carlo output (see Methods), 2.5 and 97.5 percentiles form the 95% confidence interval, the 14 and 86 percentiles form the 68% confidence interval. |
78 | Climate forcing from carbon dioxide | ΔFCO2 | W/m2 | Brown, Rachel Mary | Calculated according to Hain et al. (2018) | ΔFCO₂: 0.86; percentiles from the Monte Carlo output (see Methods), 2.5 and 97.5 percentiles form the 95% confidence interval, the 14 and 86 percentiles form the 68% confidence interval. |
79 | Climate forcing from carbon dioxide | ΔFCO2 | W/m2 | Brown, Rachel Mary | Calculated according to Hain et al. (2018) | ΔFCO₂: 0.98; percentiles from the Monte Carlo output (see Methods), 2.5 and 97.5 percentiles form the 95% confidence interval, the 14 and 86 percentiles form the 68% confidence interval. |
80 | Climate forcing from carbon dioxide | ΔFCO2 | W/m2 | Brown, Rachel Mary | Smoothed ΔFCO₂ | Climate forcing from CO₂ (ΔFCO₂ sm) |
81 | Climate forcing from carbon dioxide | ΔFCO2 | W/m2 | Brown, Rachel Mary | Smoothed ΔFCO₂ | ΔFCO₂ sm: 0.03; percentiles from the Monte Carlo output (see Methods), 2.5 and 97.5 percentiles form the 95% confidence interval, the 14 and 86 percentiles form the 68% confidence interval. |
82 | Climate forcing from carbon dioxide | ΔFCO2 | W/m2 | Brown, Rachel Mary | Smoothed ΔFCO₂ | ΔFCO₂ sm: 0.14; percentiles from the Monte Carlo output (see Methods), 2.5 and 97.5 percentiles form the 95% confidence interval, the 14 and 86 percentiles form the 68% confidence interval. |
83 | Climate forcing from carbon dioxide | ΔFCO2 | W/m2 | Brown, Rachel Mary | Smoothed ΔFCO₂ | ΔFCO₂ sm: 0.86; percentiles from the Monte Carlo output (see Methods), 2.5 and 97.5 percentiles form the 95% confidence interval, the 14 and 86 percentiles form the 68% confidence interval. |
84 | Climate forcing from carbon dioxide | ΔFCO2 | W/m2 | Brown, Rachel Mary | Smoothed ΔFCO₂ | ΔFCO₂ sm: 0.98; percentiles from the Monte Carlo output (see Methods), 2.5 and 97.5 percentiles form the 95% confidence interval, the 14 and 86 percentiles form the 68% confidence interval. |
85 | Comment | Comment | Brown, Rachel Mary | Miscellaneous comments |
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Curation Level: Enhanced curation (CurationLevelC)
Size:
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