1950-2010 (2011) Fraction of surface area that's cold or hot shifting significantly
E - Changing Probability Distributions
E - Climate Change Fingerprint
2011 Hansen_Climate Variability and Climate Change: The New Climate Dice
We're already seeing changes
1. What's already happening?
I:VisualizingtheClimateFingerprint
1. Where is the heat going?
Coastal flooding will increase in NYC
Infographic - 2015 Temperature Anomaly
Infographic - Risks at 2, 3, 4 Degrees
Infographic - Snapshot of a Warming World
I:1.5vs2.0Degrees (HowCanIVisualize?)
T - Visualizing Future Impacts
E - Changing Return Periods
E - Communicating shifting extremes
E - Fingerprint - Arctic Ice
E - Fingerprint - Fire Regimes
E - Fingerprint - Flooding
E - Fingerprint - Heat Extremes
E - Forecasted Probabilities
E - Manifestations of climate risk
2016 Global monthly temperature anomalies 2015-2016
2011/1 Global Surface Temperature Anomalies
Small average changes in temperature can hide dramatic changes at extremes
2016/11 What will the world actually look like at 1.5°C of warming?
2018/10 Interactive: The impacts of climate change at 1.5C, 2C and beyond
Climate Central - Threatened U.S. Cities by Decade
2014 Global Warming Projections, 2 degrees warmer (from NG 2008)
2015 A climate change Christmas: the hottest deals of 2056 – video
2015 Climate Change: What Happens If The World Warms Up By 2°C?
2015 Earth Under Water in 2040 HD Documentary 2015
1oC - Arctic sea ice volume to 2019
1oC - Average global temperature change to 2020
1oC - Socioeconomic impacts of climate change already manifesting
3oC - Asian cities that will be worst affected by sea level rise
200X 800,000 year temperature CO2 record - NAS Public
1500-2010 (2012) European summer temperatures 1500-2010
1500-2010 (2012) Frequency of extreme European summers
1900-2010 (2011) Anomalies are clearly trending towards hot and very hot temperatures
1900-2010 (2011) U.S. temperature anomalies not nearly as clear as other parts of the world
1900-2100 (2008) Change in daily heavy precipitation events, with uncertainty
1900-2100 (2008) Increase in % of warm nights for North America, with uncertainty
1900-2100 (2010) Changes in permafrost coverage to 2100
1900-2100 (2012) Estimated ocean acidification under alternative emissions scenarios
1920-2100 (2017) A massive increase in "nuisance flooding" around the U.S.
1950-2010 (2011) One can see a systematic warming signal in a number of regions
1950-2010 (2011) The extreme heat tail of anomalies has shifted by 1 SD over 3 decades
1950-2010 (2011) We can track how annual anomalies diverge in terms of SDs from the baseline
1950-2011 (2011) The fraction of land area with very high extremes is increasing
1950-2011 (2012) Temperature anomaly distributions during the summer for the U.S.
1950-2011 (2013) It's not the change in global average temperature that really matters, it's the tails of the probability curve
1950-2015 (2016) North and Southern hemisphere temperature anomaly shifts
1950-2015 (2016) Regional shifts in temperature anomalies - Africa, Middle East, SE Asia
1950-2015 (2016) Regional shifts in temperature anomalies - U.S., Europe, China, India
1955-2007 (2011) We can track how surface temperatures are changing over time
1955-2011 (2011) The proportion of surface area displaying >3 SDs is growing significantly
1975-2015 Northern Hemisphere Snow Cover is decreasing
1980-2040 (2009) Decreasing habitat for coldwater fish
1980-2100 (2014) North Hemisphere near-surface permafrost area to 2100
1980-2100 (2014) Northern Hemisphere snow cover change to 2100
1980-2100 (2014) Number of days over 95o (F) RCP 8.5 Median and 1 in 20 chance
1980-2100 (2015) Change in after number of days over 95 degrees (F) Median and 1 in 20 chance estimates
1990-2005 Observed SLR vs. model projections
2000-2013 (2016) Observed change in U.S. precipitation patterns
2000-2050 (2012) Annual probability of loss due to hurricanes for Miami-Dade Region
2000-2050 (2012) Expected value of hurricane damages to Miami-Dade
2000-2050 (2012) Expected value of hurricane damanges to Miami-Dade
2000-2050 (2012) Frequency of Cat 4-5 hurricanes expected to increase 80% by 2050, while Cat 1-3 decline 38%
2000-2050 (2012) Return frequency declining for major hurricanes
2000-2060 (2016) Change in coastal population exposure by country
2003 The salinity of oceans is decreasing
2007 Cooling degree days in the U.S.
2007 Heating degree days in the U.S.
2008 And it's worse than we anticipated
2009 Acreage burned is increasing
2009 Area of Greenland subject to melting each year
2009 Choosing the right strategy in probability space
2009 Climate change modeling has gotten a lot better
2009 Discharge of Greenland ice streams is accelerating
2009 Picture of surface melt on Greenland
2009 Risk of temperature directly related to concentrations, and varies widely over time
2009 Snapshot of ocean acidification
2009 Water stress - the ratio between withdrawal and availability - 2000
2009 We're losing a lot of ice mass in Greenland and Antarctica
2010 Annualized U.S. loss trend - water impacts
2010 High value sector water availability - municipalities, industry, energy
2010 Hydroelectric water availability
2010 In probability distributions, modes and means and uncertainty are important
2010 Mining water availability
2010 Normalized state by state water availability in 2050
2010 rainfall anomaly against future probability distributions
2010 Second order uncertainty is the uncertainty in the uncertainty
2010 The Vostok Ice Cores
2011 10 Warmest Years on Record
2011 Anticipated changes in stream-flow in 2050
2011 In mountain glaciers
2011 Observed sea level rise over last 12 years
2011 Very good chance we're already committed to >2 degrees C
2011 Was a Year of Weather and Climate Extremes
2011 Why are we confident that observed warming is anthropogenic?
2011 Why are we confident that observed warming is anthropogenic? (2)
2012 - 2014 precipitation anomalies in Western U.S. (no long-term trend)
2012 10-fold increase in extreme heat events
2012 Extreme events are growing in probability faster than projected by the models
2012 In parts of East Africa there has been a substantial decrease in normal rainy seasons
2012 Model ensembles show shifts towards warmer and drier conditions from 1960's to present
2012 Probabilistic Forecasts to 2100 based on new Representative Concentration Pathways
2012 Ratio of high to low records in the U.S. 1950's to 2000's
2012 Return periods have changed
2012 Showing North American Detail
2012 Significant weather related losses of 2011
2012 The probabilty of warm winters in UK is 60 times more likely
2012 There's huge uncertainty about really long-term outcomes
2012 Western Pacific temperatures have been increasing
2013 Civilizations have evolved within a very narrow temperature band for 10,000 years
2013 Extreme precipitation in the U.S. is increasing
2013 Human civilization has evolved in an unusually stable climatic period
2013 Probability of catastrophe by treatment
2013 Since 1895, annual average air temperatures in CA have increased about 1.5oF
2013 Statewide average temperature trends mask major differences within the state
2013 temperatures against future probability distribution
2013 We have seen sharp shifts in CO2 emissions before
2014 - Nightime temperature increases
2014 1700 Years of Global Temperature Change from Proxy Data
2014 Average summer temperatures across the U.S.
2014 Average winter temperatures
2014 Earth’s Surface Temperature
2014 Global temperature projections different and timelines
2014 Global temperature vs. CO2
2014 Long-term warming and short-term variations
2014 Number of extreme cold days
2014 Percentage of west in summer drought
2014 precipitation anomalies in Europe and South America
2014 Projected changes in frost-free season length by scenario
2014 Regional warming/cooling 1901 - 1950
2014 Regional warming/cooling 1901 - 1961
2014 Regional warming/cooling 1901 - 1971
2014 Regional warming/cooling 1901 - 1981
2014 Regional warming/cooling 1901 - 1991
2014 Regional warming/cooling 1901 - 2000
2014 Regional warming/cooling 1901 - 2009
2014 Tornado Count for U.S.
2014 U.S. acres burned 1980 - 2013
2014 U.S. flooding has changed
2015 1,000 years of change
2015 Crop Moisture Stress Index (CMSI)
2015 Global probability of exceeding 99th extremes with temperature increase
2015 Probability of extreme precipitation events under warming
2015 Record high temperatures
2015 Temperature increase
2015 The Waggonwaybreen glacier 1900 - 2015
2015 Timescales of climate processes and inclusion of feedbacks in climate models
2016 All 10 indicators of climate change are "positive"
2016 Alternative warming paths
2016 Annual area burned in the U.S. 1984 - 2012
2016 Annual mean surface temperature anomaly
2016 Billion-dollar weather events 1980 2015
2016 Changing likelihood of extreme events
2016 Climate anomalies of 2015
2016 Comparison of El Nino strength and temperature trend
2016 Decadal mean surface temperature anomaly
2016 Emissions limits required to achieve temperature targets
2016 Global surface temperature, annual and running mean
2016 Global temperature anomalies vs. 20th century average
2016 ocean temperature anomaly against future probability distribution
2016 Potential temperature increase associated with consuming proven fossil fuels
2016 Temperature anomalies by latitude
2017/7 Alarming New Animation Shows The Months Are Indeed Getting Warmer
2017 Changing Cold Hardiness zones in Oregon to 2050
2017 Components of sea level rise
2017 Forecasting OR's winter temperature change
2017 It's all about probabilities
2017 Land and ocean temperature percentiles
2017 Latitudinal risk of deadly climate
2017 Oceans absorbing heat
2017 Sea surface temperature anomaly 1961-1990
2017 Temperature anomalies over land and ocean 1950 - 2017
2017 The ice core data is key because it tracks the development of humans
2017 The IPCC scenarios for temperature change
2017 The last 20,000 years
2019 A cumulative distribution function (CDF) transforms a probability distribution into an exceedance curve from 0 to 100%. A complementary CDF (CCDF) does the reverse, from 100% to 0%
2019 Average global temperature 1850-2019
2019 Average global temperatures (by month) 1850 - 2019
2019 How did daily U.S. temperatures devitate from the historical average?
2019 How much have maximum and minimum temperatures already changed?
2019 How much individual countries have warmed
2019 Number of Extreme Heat Days in Australia
2019 The temperature history of individual countries in stripes
2020 2019 was Alaska's warmest year on record
2020 2019 Was 2nd Warmest Year on Record
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1950-2010 (2011) Fraction of surface area that's cold or hot shifting significantly
2011_Hansen_Climate Variability and Climate Change
Under-Estimating Climate Risk