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Climate Risk Profile: Cameroon (2022)

Tomalka, J. ; Lange, S. ; Gleixner, S. ; [et al.]

A joint publication by the Potsdam Institute for Climate Impact Research (PIK), the German Federal Ministry for Economic Cooperation and Development (BMZ), the Deutsche Gesellschaft für Internationale Zusammenarbeit (GIZ) GmbH and the KfW Development Bank

In: Climate Risk Profiles for Sub-Saharan Africa

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Publication Date: 2022-09-29

Description: This profile provides an overview of the projected climate parameters and related impacts on different sectors in Cameroon until 2080 under different climate change scenarios (called Representative Concentration Pathways, RCPs). RCP2.6 represents a low emissions scenario that aims to keep global warming likely below 2 °C above pre-industrial temperatures. RCP6.0 represents a medium to high emissions scenario that is likely to exceed 2 °C. Model projections do not account for effects of future socio-economic impacts unless indicated otherwise.

Language: English , French

Type: info:eu-repo/semantics/report

Format: application/pdf

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Climate Risk Profile: Senegal (2022)

Tomalka, J. ; Lange, S. ; Gleixner, S. ; [et al.]

In: Climate Risk Profiles for Sub-Saharan Africa Series

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Publication Date: 2022-09-29

Description: This profile provides an overview of projected climate parameters and related impacts on different sectors in Senegal until 2080 under different climate change scenarios (called Representative Concentration Pathways, RCPs). RCP2.6 represents the low emissions scenario in line with the Paris Agreement; RCP6.0 represents a medium to high emissions scenario. Model projections do not account for effects of future socio-economic impacts.

Language: English , French

Type: info:eu-repo/semantics/report

Format: application/pdf

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Differential imprints of distinct ENSO flavors in global patterns of very low and high seasonal precipitation (2021)

Wiedermann, M. ; Siegmund, J. ; Donges, J. ; [et al.]

In: Frontiers in Climate

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Publication Date: 2022-03-21

Description: The effects of El Niño's two distinct flavors, East Pacific (EP) and Central Pacific (CP)/Modoki El Niño, on global climate variability have been studied intensively in recent years. Most of these studies have made use of linear multivariate statistics or composite analysis. Especially the former assumes the same type of linear statistical dependency to apply across different ENSO phases, which appears not necessarily a justified assumption. Here, we statistically evaluate the likelihood of co-occurrences between very high or very low seasonal precipitation sums over vast parts of the global land surface and the presence of the respective EP and CP types of both, El Niño and La Niña, which are classified based on global surface air temperature anomaly patterns by means of the recently developed climate network transitivity index. By employing event coincidence analysis, we uncover differential imprints of both ENSO flavors on strong wet/dry patterns over distinct regions across the globe, which may severely affect, among others, agricultural and biomass production or public health. We particularly find that EP periods significantly coincide with hydrometeorological anomalies at larger spatial scales, whereas sparser patterns emerge along with CP periods. Our statistical analysis confirms previously reported interrelations for EP periods and uncovers additional distinct regional patterns of very high/low seasonal precipitation, such as increased rainfall over Central Asia alongside CP periods that have to our knowledge not been reported so far. Our results demonstrate that a thorough distinction of El Niño and La Niña into their two respective flavors could be crucial for properly anticipating strong regional hydrometeorological anomalies and associated ecological and socioeconomic impacts.

Language: en

Type: info:eu-repo/semantics/article

Format: application/pdf

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