Soc Sci S1 Dates/Numbers Flashcards
When the world entered a new era ; the start of the Anthropocene
1950
In _______, humans use of fossil fuels has accelerated the Earth’s natural carbon cycle
The past couple of centuries
When cooler temperatures in the Northern Hemisphere was identified
late 1600s - early 1700s
Intervals in which the Earth completes different cycles
100,000 years, 41,000 years, and 26,000 years
Ice core from an old glacier can reveal what the conditions of the atmosphere were dating as far back as ______
hundreds of thousands of years
Conditions over how many years can human records describe
past hundreds or thousands of years
When the thermometer was invented
1700
When was Phoenix, Arizona on the news for record-breaking heat
summer of 2023
Temperature records for the city of Phoenix only date back to the year
1896
How long ago can instrumental records clearly show trends in climate
a little more than a century
When Christian Pfister was born
1944
Starting around when did people extract and released fossil fuels
about 200 years ago and increasingly since
When did the Holocene epoch start
11.7 thousand years ago
When did the Pleistocene epoch start
2.58 million years ago
When did the Anthropocene Working Group (AWG) proposed that the Anthropocene should officially be recognized as a new geological time interval
2019