DOI: 10.5061/dryad.x69p8czt2
title: Data from: Global inland-water oxygen cycle has changed in the Anthropocene

description: Inland waters are an important resource, a highly diverse habitat, and a
 key component of global biogeochemical cycles. Oxygen plays a major role
 in inland-water ecosystem functioning, but long-term changes in its
 cycling remain unknown. Here we quantify global inland-water oxygen
 production, consumption, and exchange with the atmosphere during 1900-2010
 using a spatially-explicit, mass-balanced, mechanistic model which takes
 into account changes in climate, hydrology, human activities, and the
 coupled biogeochemical (oxygen-nutrient-organic matter) dynamics. The
 model results show that global inland-water oxygen turnover increased
 during 1900-2010: production from 0.16 to 0.94 Pg yr-1 and consumption
 from 0.44 to 1.47 Pg yr-1. Inland waters overall remained heterotrophic
 and a sink of atmospheric oxygen. Direct human perturbations (changes in
 hydrology and nutrient supply) were more important in increasing oxygen
 turnover than indirect effects via warming.
description: # Data from: Global inland-water oxygen cycle has changed in the
 Anthropocene Dataset DOI:
 [10.5061/dryad.x69p8czt2](https://doi.org/10.5061/dryad.x69p8czt2) ##
 Description of the data and file structure Global inland-water oxygen
 cycle has changed in the Anthropocene
 [https://doi.org/10.5061/dryad.x69p8czt2](https://doi.org/10.5061/dryad.x69p8czt2) ### Files and variables For more details, please read the paper: [https://doi.org/10.1126/sciadv.adr1695](https://doi.org/10.1126/sciadv.adr1695) #### File: Fig2b.Global_inland-water_O2_production_kg_per_grid_per_year_1900.asc **Description:** raw data of Fig.2b. spatial distributions in the simulated global oxygen production in inland waters at a resolution of 0.5° × 0.5° in 1900. The file can be opened with txt, but keeps the format of spatial map. #### File: Fig3b.Global_inland-water_O2_consumption_kg_per_grid_per_year_1900.asc **Description:** raw data of Fig.3b. spatial distributions in the simulated global oxygen consumption in inland waters at a resolution of 0.5° × 0.5° in 1900. The file can be opened with txt, but keeps the format of spatial map. #### File: Fig2c.Global_inland-water_O2_production_kg_per_grid_per_year_2010.asc **Description:** raw data of Fig.2c. spatial distributions in the simulated global oxygen production in inland waters at a resolution of 0.5° × 0.5° in 2010. The file can be opened with txt, but keeps the format of spatial map. #### File: Fig3c.Global_inland-water_O2_consumption_kg_per_grid_per_year_2010.asc **Description:** raw data of Fig.3c. spatial distributions in the simulated global oxygen consumption in inland waters at a resolution of 0.5° × 0.5° in 2010. The file can be opened with txt, but keeps the format of spatial map. #### File: Fig2a.Changes_in_global_inland-water_oxygen_production_during_1900-2010.csv **Description:** raw data of Fig.2a. temporal changes in the simulated global oxygen production in inland waters during 1900-2010. ##### Variables * decade * total_production_mean(PgO2/yr) * total_production_min(PgO2/yr) * total_production_max(PgO2/yr) #### File: Fig3a.Changes_in_global_inland-water_oxygen_consumption_during_1900-2010.csv **Description:** raw data of Fig.3a.temporal changes in the simulated global oxygen consumption in inland waters during 1900-2010. ##### Variables * decade * total_consumption_mean(PgO2/yr) * total_consumption_min(PgO2/yr) * total_consumption_max(PgO2/yr) #### File: Fig4a.Changes_in_global_inland-water_oxygen_cycling_budget_during_1900-2010.csv **Description:** raw data of Fig.4a.temporal changes in the simulated global inland-water oxygen cycling budget during 1900-2010 ##### Variables * decade * exchange_with_atmosphere_mean(PgO2/yr) * total_production_mean(PgO2/yr) * external_oxygen_input_mean(PgO2/yr) * river_export_to_ocean_mean(PgO2/yr) * total_consumption_mean(PgO2/yr) #### File: Fig4b.Changes_in_global_inland-water_net_oxygen_production(production-consumption)_during_1900-2010.csv **Description:** raw data of Fig.4b.net oxygen production (i.e., the difference between oxygen production and consumption) in global inland waters during 1900-2010 ##### Variables * decade * total_production_mean(PgO2/yr) * total_consumption_mean(PgO2/yr) * total_net_production_mean(PgO2/yr) #### File: Fig4c.Changes_in_the_ratio_of_inland-water_oxygen_production_to_consumption_during_1900-2010.csv **Description:** raw data of Fig.4c. the ratio of inland-water oxygen production to consumption during 1900–2010 ##### Variables * decade * production:consumption_mean(unitless) * production:consumption_min(unitless) * production:consumption_max(unitless) #### File: Fig4d.Role_of_inland_waters_in_the_present-day_global_total_oxygen_budget.csv **Description:** raw data of Fig.4d.the role of inland waters in the present-day (represented by the year 2010) global oxygen budget in terms of interactions with the atmosphere and the ocean ##### Variables * decade * exchange_with_atmosphere_mean(PgO2/yr) * total_production_mean(PgO2/yr) * external_oxygen_input_mean(PgO2/yr) * river_export_to_ocean_mean(PgO2/yr) * total_consumption_mean(PgO2/yr) ## Code/software All data are in the format of numbers stored in .csv or .asc files, which can be opened in the way similar to txt. The asc files could also be opened with geo softwares to view the spatial maps. ## Access information Other publicly accessible locations of the data: * n/a Data was derived from the following sources: * [https://doi.org/10.1126/sciadv.adr1695](https://doi.org/10.1126/sciadv.adr1695)