Filtering by Subject: Climate

Evidences of horizontal urban heat advection in London using 6 years of data from a citizen weather station network

Oscar Brousse, Charles Henry Simpson, Nancy Walker, et al.

Published: 2021-12-05
Subjects: Climate, Environmental Monitoring, Environmental Sciences, Meteorology, Physical and Environmental Geography

Recent advances in citizen weather station (CWS) networks, with data accessible via crowd-sourcing, provide relevant climatic information to urban scientists and decision makers. In particular, CWS can provide long-term measurements of urban heat and valuable information on spatio-temporal heterogeneity related to horizontal heat advection. In this study, we make the first compilation of a [...]

C3S Energy: an operational service to deliver power demand and supply for different electricity sources, time and spatial scales over Europe

Laurent Dubus, Yves-Marie Saint-Drenan, Alberto Troccoli, et al.

Published: 2021-11-17
Subjects: Applied Statistics, Climate, Earth Sciences, Environmental Sciences, Statistical Models

The EU Copernicus Climate Change Service (C3S) has produced an operational climate service, called C3S Energy, designed to enable the energy industry and policy makers to assess the impacts of climate variability and climate change on the energy sector in Europe. The C3S Energy service covers different time horizons, for the past forty years and the future. It provides time series of electricity [...]

Geographically-resolved social cost of anthropogenic emissions accounting for both direct and climate-mediated effects

Jennifer Burney, Geeta G Persad, Jonathan Proctor, et al.

Published: 2021-11-17
Subjects: Atmospheric Sciences, Climate, Environmental Sciences, Physical and Environmental Geography, Sustainability

The magnitude and distribution of physical and societal impacts from long-lived greenhouse gases are insensitive to the emission source location; the same is not true for major co-emitted short-lived pollutants like aerosols. Here we combine novel global climate model simulations with established response functions to show that identical aerosols emitted from different regions (Brazil, China, [...]

Climate change, fire return intervals and the growing risk of permanent forest loss in boreal Eurasia

Arden L Burrell, Qiaoqi Sun, Robert Baxter, et al.

Published: 2021-11-16
Subjects: Climate, Environmental Indicators and Impact Assessment, Environmental Monitoring, Other Environmental Sciences, Physical and Environmental Geography, Remote Sensing, Spatial Science

Climate change has driven an increase in the frequency and severity of fires in Eurasian boreal forests. A growing number of field studies have linked the change in fire regime to post-fire recruitment failure and permanent forest loss. In this study we used four burnt area and two forest loss datasets to calculate the landscape-scale fire return interval (FRI) and associated risk of permanent [...]

Nonlinear time series analysis of palaeoclimate proxy records

Norbert Marwan, Jonathan F. Donges, Reik V. Donner, et al.

Published: 2021-11-08
Subjects: Applied Statistics, Climate, Dynamic Systems, Earth Sciences, Geology, Longitudinal Data Analysis and Time Series, Multivariate Analysis, Non-linear Dynamics, Physical Sciences and Mathematics, Sedimentology, Statistical, Nonlinear, and Soft Matter Physics

Identifying and characterising dynamical regime shifts, critical transitions or potential tipping points in palaeoclimate time series is relevant for improving the understanding of often highly nonlinear Earth system dynamics. Beyond linear changes in time series properties such as mean, variance, or trend, these nonlinear regime shifts can manifest as changes in signal predictability, [...]

A 18,000 yr record of tropical land temperature, convective activity and rainfall seasonality from the maritime continent

Rienk H. Smittenberg, Kweku A. Yamoah, Akkaneewut Chabangborn, et al.

Published: 2021-10-27
Subjects: Biogeochemistry, Climate, Earth Sciences, Geology, Physical Sciences and Mathematics, Planetary Hydrology

The maritime continent exports an enormous amount of (latent) heat and moisture to the rest of the globe via deep atmospheric convection. How this export has changed through time under evolving boundary conditions, including the inundation of former Sundaland, is critical for the understanding of global climate dynamics. Given its size, relatively few high-resolution and continuous records exist [...]

Different Pathways to an Early Eocene Climate

Matthew Henry, Geoffrey K Vallis

Published: 2021-10-27
Subjects: Climate

The early Eocene was characterised by much higher temperatures and a smaller equator-to-pole surface temperature gradient than today. Comprehensive climate models have been reasonably successful in simulating many features of that climate in the annual average. However, good simulations of the seasonal variations, and in particular the much reduced Arctic land temperature seasonality and [...]

Volcanic hazard exacerbated by future global warming–driven increase in heavy rainfall.

Jamie Ian Farquharson, Falk Amelung

Published: 2021-10-15
Subjects: Climate, Physical Sciences and Mathematics, Volcanology

Heavy rainfall drives a range of eruptive and noneruptive volcanic hazards; over the Holocene, the incidence of many such hazards has increased due to rapid climate change. Here we show that extreme heavy rainfall is projected to increase with continued global warming throughout the 21st century in most subaerial volcanic regions, dramatically increasing the potential for rainfall-induced [...]

Deadly Heat Exposure in an Urbanized World

Steffen Lohrey, Camilo Mora, Diana Reckien, et al.

Published: 2021-10-11
Subjects: Climate, Environmental Sciences, Oceanography and Atmospheric Sciences and Meteorology, Sustainability

Climate-change exposes an increasing share of the world population to potentially lethal heat, a threat accentuated by rapid urbanization. Here, we project occurrence of future deadly heat for urban agglomerations around the world until 2080 by using CMIP6 climate model projections of temperature and relative humidity, urbanization prospects and GDP projections from the SSP scenarios. We show [...]

Constraining clouds and convective parameterizations in a climate model from past climate

Riovie Ramos, Allegra LeGrande, Michael Griffiths, et al.

Published: 2021-10-06
Subjects: Atmospheric Sciences, Climate

Cloud and convective parameterizations strongly influence uncertainties in equilibrium climate sensitivity (ECS). We provide a proof-of-concept study to constrain these parameterizations in a perturbed parameter ensemble of the atmosphere-only version of the Goddard Institute for Space Studies (GISS) Model E2.1 simulations by evaluating model biases in the present-day runs using multiple [...]

Data Reference Syntax (DRS) for bias-adjusted CMIP6 simulations

Thomas NOEL, Guillaume Levavasseur

Published: 2021-09-29
Subjects: Climate

This document specifies the Data Reference Syntax (DRS) elements for managing bias-adjusted CMIP6 simulation data. The document includes file naming conventions and metadata as NetCDF attributes. The DRS elements are allowed to either assume values defined by Controlled Vocabularies (CV), or free text, or free text with build rules.

An open workflow for the study of unseen weather extremes

Timo Kelder, Tim Marjoribanks, Louise Slater, et al.

Published: 2021-09-10
Subjects: Climate, Hydrology, Meteorology, Numerical Analysis and Scientific Computing

Ensemble members from weather and climate predictions can be used to generate large samples of simulated weather events, allowing the estimation of extreme (hitherto unseen) events. Here, we provide a protocol and open workflow for applying the ‘UNSEEN’ method for hydro-climatic extremes globally, based on Copernicus Climate Change Services (C3S) seasonal predictions but also considering other [...]

High interstadial sea levels over the past 420ka from Huon terraces (Papua New Guinea)

Gino de Gelder, Laurent Husson, Anne-Morwenn Pastier, et al.

Published: 2021-09-06
Subjects: Climate, Geology, Geomorphology, Oceanography, Tectonics and Structure

The history of sea level across the Quaternary is essential for assessing past and future climate and geodynamics. Global sea-level reconstructions are typically derived from oxygen isotope curves, but require calibration with geological constraints that are particularly scarce prior to the last glacial cycle (>130 ka). The exceptionally well-preserved coral reef terrace sequence in the Huon [...]

Extreme smog challenge of India intensified by increasing lower tropospheric stability

Ritesh Gautam, Piyushkumar Patel, Manoj Singh, et al.

Published: 2021-08-30
Subjects: Atmospheric Sciences, Climate

Air pollution in India severely impacts the air quality, public health and economy in one of the world’s most densely populated regions. Persistent agricultural fires during the late-autumn period and widespread winter-time pollution contribute to the extreme smog in south Asia, especially affecting the entire northern India. While the links between anthropogenic emissions, air quality and health [...]

Safety and Belonging in the Field: A Checklist for Educators

Sarah E Greene, Gwen S. Antell, Jake Atterby, et al.

Published: 2021-08-19
Subjects: Atmospheric Sciences, Biogeochemistry, Climate, Cosmochemistry, Earth Sciences, Education, Environmental Education, Environmental Health and Protection, Environmental Indicators and Impact Assessment, Environmental Monitoring, Environmental Sciences, Environmental Studies, Fresh Water Studies, Geochemistry, Geographic Information Sciences, Geography, Geology, Geomorphology, Geophysics and Seismology, Glaciology, Higher Education, Human Geography, Hydrology, Life Sciences, Meteorology, Mineral Physics, Natural Resource Economics, Natural Resources and Conservation, Natural Resources Management and Policy, Nature and Society Relations, Oceanography, Oceanography and Atmospheric Sciences and Meteorology, Oil, Gas, and Energy, Other Earth Sciences, Other Environmental Sciences, Other Geography, Other Oceanography and Atmospheric Sciences and Meteorology, Other Planetary Sciences, Outdoor Education, Paleobiology, Paleontology, Physical and Environmental Geography, Physical Sciences and Mathematics, Planetary Biogeochemistry, Planetary Geochemistry, Planetary Geology, Planetary Geomorphology, Planetary Geophysics and Seismology, Planetary Glaciology, Planetary Hydrology, Planetary Mineral Physics, Planetary Sciences, Planetary Sedimentology, Remote Sensing, Sedimentology, Social and Behavioral Sciences, Soil Science, Spatial Science, Speleology, Stratigraphy, Sustainability, Tectonics and Structure, Volcanology, Water Resource Management

Ensuring taught fieldwork is a positive, generative, collective, and valuable experience for all participants requires considerations beyond course content. To guarantee safety and belonging, participants’ identities (backgrounds and protected characteristics) must be considered as a part of fieldwork planning and implementation. Furthermore, getting fieldwork right is an important step in [...]


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