Climate change what do we know
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The document discusses the impacts of climate change on water resources and sea level rise. It is projected that annual runoff will change by 2100 under climate change scenario SRES A1B. Developing countries are most vulnerable to climate change impacts. With 1 meter of sea level rise, about 63,000 hectares of land in Belgium would be below sea level by the late 21st century or early 22nd century. With 8 meters of sea level rise, around 3,700 square kilometers of Belgium could be flooded by the year 3000. The document outlines various risks from climate change impacts including extreme events, distribution of impacts, and disruption from large scale effects.
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Mri suzhou 27052011
This document summarizes key points about how climate change will impact mountain regions. It notes that mountains are important for water supply, biodiversity, tourism, and other resources. Climate change is expected to amplify in mountain areas due to their complex terrain. Impacts will include glacial retreat, changes to water timing and supply, shifts in ecosystems and species distributions, and increased disturbance risks from hazards like fires and insects. The document emphasizes that mountains are highly sensitive to climate change and more research is needed to understand and address its effects.
DSD-INT 2017 Rising seas, intensifying weather extremes and increasing impact...
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Lecture 9 impacts of climate change
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2) Many ecosystems will be impacted through rising temperatures, ocean acidification, and sea level rise which can damage coral reefs and coastal wetlands. This threatens biodiversity and livelihoods.
3) Agriculture and food security will be affected by changes in temperature, rainfall, and increased natural disasters. Crop yields may decrease in many regions, increasing the risk of undernutrition.
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20120816 london.pptx
1) The document summarizes key findings from the IPCC's Special Report on Managing the Risks of Extreme Events and Disasters to Advance Climate Change Adaptation (SREX) regarding trends and projections for various climate extremes including floods, hurricanes, tornadoes, heat waves, drought, and wildfires.
2) The SREX found low confidence in attributed changes to many extremes due to lack of historical trends, but projected increases in some extremes like heat waves and drought in some regions.
3) The document discusses examples of extreme events from history that challenge the notion that recent extremes are unprecedented, such as the deadly 1936 North American heat wave.
Climate science overview 2019 - Coleen Vogel
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ESPC3 - Petteri Taalas - Secretary general World Meteorological Organization ...
ESPC3 - Petteri Taalas - Secretary general World Meteorological Organization ...European Sustainable Phosphorus Platform
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See for all information and outcomes www.phosphorusplatform.eu/ESPC3Avoid ws2 d1_31_fire
1. The document analyzes how climate change may impact forest fire risk globally based on meteorological factors.
2. It finds that increased temperatures are the primary driver of increased forest fire danger projected by climate models, followed by decreased relative humidity which is also influenced by higher temperatures.
3. The analysis projects increased forest fire risk over most regions by 2080 according to various climate change scenarios, with the largest increases in Europe, Amazonia, and parts of North America and East Asia, though increases are lower under a mitigation scenario.
Avoid ws2 d1_31_fire
1. The document analyzes how climate change may impact forest fire risk globally based on meteorological factors.
2. It finds that increased temperatures are the primary driver of increased fire danger projections, followed by decreased humidity which is also influenced by higher temperatures.
3. Using climate models and fire weather indices, it projects increases in fire danger over most regions by 2080 under non-mitigation scenarios, with the largest increases in Europe, Amazonia, and parts of North America and East Asia. Lower but still significant increases are seen under a mitigation scenario.
RISK p3-14 CLIMATE CHANGE ... Hansen et al predictions 2015 150814
James Hansen and many other scientists have been working on the matter of climate change for a long time. Climate change is very complicated, but the evidence is that we are facing change that has not been seen in MILLIONS of years. We are not facing a 100 year storm, but a disruption that happens only a few times in the life of the planet. This Hansen report should be a wake up call to decision makers. It further justifies the MDIA rethink of how we do metrics about all decision making and the accounting for risk.
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Final presentation (1)
The document summarizes how climate change may impact the goals of the New York-New Jersey Harbor Estuary Program Action Plan for 2011-2015. It identifies the main climate change stressors as increased temperature, precipitation, sea level rise, and extreme weather events. It then reviews each of the Harbor Estuary Program's five goals and maps out how these stressors could influence factors related to the goals, such as water quality, habitat health, and public access. The results are presented through literature reviews, concept maps, and climate projections to help inform revisions to the Harbor Estuary Program's action plan.
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AS Edexcel Geography - World At Risk
This document provides an overview of global hazards and trends related to climate change. It begins with key terms used to describe different types of hazards. Statistics show that while the number of deaths from disasters has decreased due to better protection, the total number affected has increased significantly since the 1990s. This is likely due to growing populations living in at-risk areas combined with more frequent or intense extreme weather events associated with climate change. El Niño/La Niña cycles also influence hazard patterns globally, bringing drought to some areas and floods to others. Human activities like deforestation exacerbate the impacts of disasters by increasing vulnerability.
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Este documento resume la historia del descubrimiento y estudio del cambio climático inducido por el ser humano. Comienza en 1824 cuando Fourier reconoció que los gases de efecto invernadero en la atmósfera mantienen la temperatura de la Tierra más alta. Más tarde, Arrhenius calculó en 1896 que los niveles crecientes de CO2 podrían causar el calentamiento global. En 1960, Keeling midió aumentos anuales en los niveles atmosféricos de CO2 que confirmaron la hipótesis de Arrhenius.
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Climate change what do we know
- 8. Source: IPCC, AR4 (2007) NB: écart par rapport à la moyenne 1980-1999 Jean-Pascal van Ypersele (vanypersele@astr.ucl.ac.be)
- 10. Technical Paper: “Climate Change and Water”: www.ipcc.ch/meetings/session28/doc13.pdf
- 11. Water at the end of the 21st century for SRES A1B TP Figure 3.4: Ensemble mean change of annual runoff, in percent, between present (1980-1999) and 2090-2099 for the SRES A1B emissions scenario (based on Milly et al., 2005).
- 16. Developing countries are the most vulnerable to climate change (from IPCC TAR)
- 27. Based on current model simulations, it is very likely that the meridional overturning circulation (MOC) of the Atlantic Ocean will slow down during the 21st century. longer term changes not assessed with confidence Temperatures in the Atlantic region are projected to increase despite such changes due to the much larger warming associated with projected increases of greenhouse gases.
- 29. With 1 metre sea-level rise: 63000 ha below sea-level in Belgium (likely in 22nd century, not impossible in 21st century) (NB: flooded area depends on protection) Source: N. Dendoncker (Dépt de Géographie, UCL), J.P. van Ypersele et P. Marbaix (Dépt de Physique, UCL) (www.climate.be/impact)
- 30. With 8 metre sea-level rise: 3700 km2 below sea-level in Belgium (very possible in year 3000) (NB: flooded area depends on protection) Source: N. Dendoncker (Dépt de Géographie, UCL), J.P. van Ypersele et P. Marbaix (Dépt de Physique, UCL) (www.climate.be/impact)
- 32. • Some adaptation is occurring now, faces limitations and barriers • Other stresses can exacerbate vulnerability • Vulnerability depends also on development paths • Sustainable development can reduce vulnerability • Mitigation can reduce, delay or avoid impacts
- 33. I Risks to unique and threatened systems II Risks from extreme climate events III Distribution of Impacts Source: IPCC TAR WG2 (2001) IV Aggregate Impacts V Risks from large-scale discontinuities