Sentences with phrase «anthropogenic perturbation»
"Anthropogenic perturbation" refers to disturbances or disruptions in the natural systems of the Earth caused by human activities. It highlights the impact and influence of human actions on the environment and ecosystems. Full definition
There is a possibility that we have grossly overestimated the net future impacts due to anthropogenic perturbation of the climate system, and will therefore erroneously indulge in the sort of policy that denialists invariably call «draconian».
realclimate.org
Anthropogenic perturbation levels of four of the ES processes / features (climate change, biosphere integrity, biogeochemical flows, and land - system change) exceed the proposed PB (see the figure).
By combining improved scientific understanding of ES functioning with the precautionary principle, the PB framework identifies levels of anthropogenic perturbations below which the risk of destabilization of the ES is likely to remain low — a «safe operating space» for global societal development.
Earth's energy balance In response to a positive radiative forcing F (see Appendix A), such as characterizes the present - day anthropogenic perturbation (Forsteret al., 2007), the planet must increase its net energy loss to space in order to re-establish energy balance (with net energy loss being the difference between the outgoing long - wave (LW) radiation and net incoming shortwave (SW) radiation at the top - of - atmosphere (TOA)-RRB-.
In consequence, an imbalance in these exchanges could easily lead to an anomaly of comparable magnitude to the direct anthropogenic perturbation.
By combining improved scientific understanding of ES functioning with the precautionary principle, the PB framework identifies levels of anthropogenic perturbations below which the risk of destabilization of the ES is likely to remain low — a «safe operating space» for global societal development.
Anthropogenic perturbation levels of four of the ES processes / features (climate change, biosphere integrity, biogeochemical flows, and land - system change) exceed the proposed PB (see the figure).
This graphic shows the global carbon budget with black arrows and values reflecting the natural carbon cycle and red the anthropogenic perturbation.
With the anthropogenic perturbation likely to be around 2C and maybe more in the next 100 years (that's a global average, it will be much more over northern hemisphere land where we actually live), there are simply no comparable sources of natural variability, and the historical record shows that such temperatures have not been approached in the last 2000 years.