RSS Parrot

On the potential of Stommel’s perpetual salt fountain for artificial upwelling

http://iopscience.iop.org/article/10.1088/1748-9326/ade0d3

Published: June 15, 2025 23:00

Artificial upwelling (AU) of nutrient-rich deep ocean water to the surface ocean has been proposed to increase ecosystem productivity and enhance CO2 uptake. AU is thus considered a marine carbon dioxide removal option among other potential uses. Due to…

Threefold increase in most intense South Atlantic convergence zone events by 2100 in convection-permitting simulation

http://iopscience.iop.org/article/10.1088/1748-9326/ade16e

Published: June 15, 2025 23:00

Unprecedented rainfall extremes resulting from global warming are becoming more frequent each year, including over South America. In this region, tropical-extratropical (TE) cloud bands in the South Atlantic convergence zone (SACZ) produce most of the…

Forest dynamics mapping in central Vietnam from 1988 to 2022 using Landsat time-series data

http://iopscience.iop.org/article/10.1088/1748-9326/ade0d2

Published: June 15, 2025 23:00

Forests provide essential ecosystem services, including biodiversity conservation, climate regulation, and livelihoods for millions of people worldwide. This study provides a comprehensive analysis of land-use and land-cover (LULC) changes with a focus on…

Satellite detected weak decline of nitrogen oxides emissions in economically small cities of China

http://iopscience.iop.org/article/10.1088/1748-9326/ade170

Published: June 15, 2025 23:00

Nitrogen oxides (NOX = NO + NO2) are a major air pollutant under stringent emission regulation in China. The nation has effectively cut its total anthropogenic emission since the peaking around 2012, with cities at the forefront of implementing mitigation…

The CDR potential of olivine-based enhanced rock weathering in marine systems: a case study for the coastal zone of France

http://iopscience.iop.org/article/10.1088/1748-9326/addf60

Published: June 15, 2025 23:00

Marine enhanced rock weathering (mERW) is proposed as a method to achieve ocean alkalinity enhancement, thus increasing the CO2 storage capacity of seawater. Deposition of minerals in shallow waters results in enhanced dissolution rates via the ‘benthic…

Energy production and inter-farm wake losses in future North Sea wind farms

http://iopscience.iop.org/article/10.1088/1748-9326/add8a2

Published: June 12, 2025 23:00

The deployment of new wind farms in the North Sea is an essential part of Europe’s transition to low-emission energy sources. Here, we use the mesoscale climate model COSMO-CLM to simulate the energy production of a realistic 92 GW wind farm expansion…

Global drivers of forest loss at 1 km resolution

http://iopscience.iop.org/article/10.1088/1748-9326/add606

Published: June 11, 2025 23:00

Forests are in decline worldwide due to human activities such as agricultural expansion, urbanization, and mineral extraction. Forest loss due to generally temporary causes, such as wildfire and logging, is important to distinguish from permanent land use…

Rethinking the responsibility for China’s water withdrawal: distribution, supply chain and inequality

http://iopscience.iop.org/article/10.1088/1748-9326/addee2

Published: June 9, 2025 23:00

Virtual water trade (VWT) links local water withdrawal (WW) with distant consumption. Given the significant contradictions between China’s water demand and supply, it is urgent to clarify the responsibilities for WW (RWW) in VWT. Previous studies…

Observed evolution of global climate change hotspots

http://iopscience.iop.org/article/10.1088/1748-9326/addede

Published: June 9, 2025 23:00

This study introduces a novel dynamical climate change hotspot index standard Euclidean distance, capturing variations in temperature and precipitation through average, variability, and extreme values, and utilizes ensemble empirical mode decomposition to…

Observed connection between the Madden–Julian oscillation and the upper tropospheric biennial oscillation

http://iopscience.iop.org/article/10.1088/1748-9326/addd34

Published: June 9, 2025 23:00

It has been found that the quasi-biennial oscillation (QBO) in the stratosphere have an important impact on the Madden Julian oscillation (MJO). In this study, we show that there is an obvious biennial oscillation in the tropical upper troposphere, which…

Field-scale mapping of California crop water productivity to inform water management in critically overdrafted groundwater basins

http://iopscience.iop.org/article/10.1088/1748-9326/add6b8

Published: June 9, 2025 23:00

Crop water productivity (CWP) metrics can reveal how the dynamics of crop production and water use change across space and time. We use field-scale satellite inputs from 2016–2021 to estimate potential water savings for four crops (almonds, grapes,…

Large language models in climate and sustainability policy: limits and opportunities

http://iopscience.iop.org/article/10.1088/1748-9326/addd36

Published: June 9, 2025 23:00

Accurate, reliable and updated information support effective decision-making by reducing uncertainty and enabling informed choices. Multiple crises threaten the sustainability of our societies and pose at risk the planetary boundaries, hence requiring…

European heat extremes under net-zero emissions

http://iopscience.iop.org/article/10.1088/1748-9326/addee4

Published: June 9, 2025 23:00

Projections of European heat extremes have been widely explored in the context of continued global warming. However, analyses of recent Earth system model simulations point to substantial climatic changes over multi-centennial timescales in net-zero…

Limits to CDR accounting: the role of carbon fluxes, time(liness) and storage

http://iopscience.iop.org/article/10.1088/1748-9326/adde73

Published: June 9, 2025 23:00

Uncovering patterns of cattle intensification across South America’s dry diagonal

http://iopscience.iop.org/article/10.1088/1748-9326/addc81

Published: June 9, 2025 23:00

Where cattle production expands into natural ecosystems, it typically leads to stark social–ecological impacts, including greenhouse gas emissions, biodiversity losses, and ecosystem degradation. This is particularly the case in South America’s tropical…

Quantifying the substantive influence of public comment on United States federal environmental decisions under NEPA

http://iopscience.iop.org/article/10.1088/1748-9326/addee5

Published: June 9, 2025 23:00

A citizen’s right to comment on, and criticize, government decisions makes a difference. The U.S. National Environmental Policy Act of 1969 (NEPA) institutionalized public engagement in environmental review in the belief it would lead to better decisions…

Causal pathway from AMOC to Southern Amazon rainforest indicates stabilising interaction between two climate tipping elements

http://iopscience.iop.org/article/10.1088/1748-9326/addb62

Published: June 8, 2025 23:00

Declines in resilience have been observed in several climate tipping elements over the past decades, including the Atlantic Meridional Overturning Circulation (AMOC) and the Amazon rainforest (AR). Large-scale nonlinear and possibly irreversible changes in…