DOI: 10.5281/zenodo.13744820
title: Data for 'Evaluating the role of enhanced weathering in marine carbon dioxide removal under high emission pathway'

description: 1. ALK.mat 

Description: This file includes three structs, ALK_CTL, ALK_OWE, ALK_NUT, representing alkalinity data under control run, OWE simulation, NUT simulation. Each struct includes 5 parameters, lat: latitude, lon: longitude, mean_sur: variation of average alkalinity for the upper 100 m, mean_total: variation of average alkalinity for the whole water column, para_a10: 10-years average alkalinity for the upper 100 m. 

Units: meq/m3

Coordinates: Para_a10: longitude * latitude * time

Data in this file is used in Fig. 1a, b and Fig.2 

 

2. pH.mat

Description: This file includes three structs, pH_CTL, pH_OWE, pH_NUT, representing surface pH data in control run, OWE simulation, NUT simulation. Each struct includes 4 parameters, lat: latitude, lon: longitude, mean_sur: variation of surface pH, para_a10: 10-years average of surface pH. 

Units: unitless

Coordinates: Para_a10: longitude * latitude * time

Data in this file is used in Fig. 1c and Fig.3 

 

3. total_DIC_ALK.mat

Description: This file includes six structs, CTLALKt, CTLDICt, OWEALKt, OWEDICt, NUTALKt, NUTDICt, representing integrated alkalinity and DIC data in control run, OWE simulation, NUT simulation. Each struct includes two parameters, para_a: decadal average of DIC inventory, para_int: the sum of global DIC inventory.

Units: mmol (DIC)/ meq (ALK) (we plot the figure with the unit Tmol in Fig. 4 and Pmol in Fig. 1d)

Data in this file is used in Fig. 1d and Fig. 4.

 

4. remapped_DIC_CTL.nc, remapped_DIC_OWE.nc and DIC_remapped_NUT.nc

Description: The three .nc files include remapped standard-grid (360*180) DIC inventory under control run, OWE simulation and NUT simulation. Each .nc file has 4 variables, lon: longitude, lat: latitude, z_t: depth, DIC: remapped DIC. 

Unit: mmol/m3

Coordinates: DIC: longitude * latitude* depth* time

Data in this file is used in Fig. 5

 

5. pCO2.mat

Description: This file includes three structs, pCO2_CTL, pCO2_OWE, pCO2_NUT, representing surface pCO2 data in control run, OWE simulation, NUT simulation. Each struct includes 4 parameters, lat: latitude, lon: longitude, mean_sur: variation of surface pCO2, para_a10: 10-years average of surface pCO2.

Unit: ppmv

Coordinates: Para_a10: longitude * latitude * time

Data in this file is used in Fig.6

 

6. FG_CO2.mat

Description: This file includes three structs, FG_CO2_CTL, FG_CO2_OWE, FG_CO2_NUT, representing DIC surface gas flux data in control run, OWE simulation, NUT simulation. Each struct includes 4 parameters, lat: latitude, lon: longitude, mean_sur: variation of FG_CO2, para_a10: 10-years average of FG_CO2.

Unit: mmol/m3 cm/s (Need to convert unit into mol/m2/yr)

Coordinates: Para_a10: longitude * latitude * time

Data in this file is used in Fig. 7

 

7. NPP.mat

Description: This file includes three structs, NPP_CTL, NPP_OWE, NPP_NUT, representing total C fixation vertical integral data in control run, OWE simulation, NUT simulation. Each struct includes 4 parameters, lat: latitude, lon: longitude, mean_sur: variation of NPP, para_a10: 10-years average of NPP.

Unit: mmol/m3 cm/s (Need to convert unit into mol/m2/yr)

Coordinates: Para_a10: longitude * latitude * time

Data in this file is used in Fig. 8

 

8. spC.mat, diatC.mat, diazC.mat

Description: The three files include phytoplankton biomass of small phytoplankton (spC_CTL, spC_OWE, spC_NUT), diatom (diatC_CTL, diatC_OWE, diatC_NUT), and diazotroph (diazC_CTL, diazC_OWE, diazC_NUT). All phytoplankton biomass is measured in the unit of carbon. We store data on each phytoplankton species in the form of a struct. Each struct has five parameters, lat: latitude, lon: longitude,  mean_sur: variation of average of upper 100 m phytoplankton biomass; mean_total: variation of average phytoplankton biomass in the upper ocean, para_a10: 10-years average of average phytoplankton biomass in the upper ocean. 

Unit: mmol/m3

Coordinates: Para_a10: longitude * latitude * time

Data in these files are used in Fig. 9

 

9. calcToSed.mat

Description: This file includes three structs, calcToSed_CTL, calcToSed_OWE, calcToSed_NUT, representing CaCO3 flux to sediments flux in control run, OWE simulation, NUT simulation. Each struct includes 4 parameters, lat: latitude, lon: longitude, mean_sur: variation of CaCO3 flux,  para_a10: 10-years average of CaCO3 flux. 

Unit: nmol/cm2/s (need to convert unit to mol/m2/yr)

Coordinates: Para_a10: longitude * latitude * time

Data in these files are used in Fig. 10

 

10. POC.mat

Description: This file includes three structs, POC_CTL, POC_OWE, POC_NUT, representing 100 m POC flux in control run, OWE simulation, NUT simulation. Each struct includes 4 parameters, lat: latitude, lon: longitude, mean_sur: variation of flux, para_a10: 10-years average of flux.

Unit: mmol/m3 cm/s (Need to convert unit into mol/m2/yr)

Coordinates: Para_a10: longitude * latitude * time

Data in these files are used in Fig. 11

 

11. atmoCO2.mat

Description: This file includes three structs, CTLATM, OWEATM, NUTATM. In each struct, atm_co2_trend represent the atmospheric CO2 variation with the unit ppm. 

Data in this file is used in Fig.1f