Sentences with phrase «during stable climate»

This will also be true for CO2 — at least as long as we assume that natural emission and uptake of CO2 can into a fairly stable equilibrium (like the family's fixed $ 80,000 per year income and expenses) during the stable climate that existed for the first 8 millennia of the Holocene.

Not exact matches

Notably, the rise and expansion of both the Indus Valley civilization (from about 5350 years to about 4600 years ago) and the Vedic civilization (from about 3450 years to about 3100 years ago) occurred during periods when climate was relatively warm, wet, and stable.

It appears that political fragmentation, sociopolitical instability and warfare occurred during the unstable climate periods, while the growth of strong, stable, successful states were favored during stable climatic intervals.

During recent millennia of relatively stable climate, civilization became established and populations have grown rapidly.

The climate during the Holocene has been stable.

Similarly, a colder climate with generally decreased humidity q O could be closer to the critical threshold, which might be the reason for less - stable monsoon circulations during glacial periods.

During the Little Ice Age phase 1 (LIA 1 — AD 1400 — 1620), the abundant occurrences of wetland plant (Cyperaceae) and diatom frustules imply less flood events under stable climate conditions in this period.

It is unlikely that natural climate variability was the cause of declines in Caribbean reefs during recent decades, as coral reef community composition had remained remarkably stable for the prior 220,000 years [34].

Though the climate has been exceptionally stable during the brief era that civilization moved from clay tablets to megacities, this hasn't always been the case.

Atmospheric CO2 during the Last Interglacial was comparable to the pre-industrial Holocene and reasonably stable, which prevents the period being a good analogue for future climate.

Shifting climates under external forcing, if they follow the general behaviors of other complex systems with Chaos, don't generally form stable states during the perturbation, and especially if the perturbation itself is irregular.

Chris Colbert (86) and all those who use the argument that climate has always changed naturally, and that there is no «ideal» stable climate, overlook, deliberately or naively, a very important fact: Earth's climate has in fact been remarkably stable for the past 10000 years, long enough that every single thing we know as civilization, including agriculture and all technology beyond simple stone and bone tools, has been developed during that period.

I certainly do not think that comet showers are more common than we think or that the climate is so stable that only in the face of such a drastic change could affect sudden climate change, but we certainly can not rule out a period of sensitivity to a barrage of comets during one or two time periods.

If it turned out that rapid climate change events are caused by comets, it would imply the climate system is far more stable than we thought, that abrupt climate change events are not part of the inherent variability of climate during glacial periods.

Earth's climate during the past 10,000 years has likely been the most stable in the history of our planet.

Unfortunately, the Sandwich Tern's losses may be even more severe than the Royal's, with a significant decline in suitable climate space during the winter winter and only 13 percent of current space remaining stable.