Jack Katzfey
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View article: Urban effects on current and future diurnal cycle of atmospheric variables in global climate simulations
Urban effects on current and future diurnal cycle of atmospheric variables in global climate simulations Open
Urban areas are responsible for about 70% of global greenhouse gas emissions, contributing to global climate change. At the same time, cities and, in particular, urban populations are severely affected by climate change. For example, the p…
View article: Effects of urban areas on the diurnal cycle of temperature and precipitation in a global climate simulation
Effects of urban areas on the diurnal cycle of temperature and precipitation in a global climate simulation Open
Analyses of global climate model results for urban impacts on temperature and precipitation are rare. Previous analyses of the global Conformal Cubic Atmospheric Model simulation results for 1985–2010 have revealed urban effects on minimum…
View article: Effects of urban areas on the diurnal cycle of temperature and precipitation as found in global climate simulations
Effects of urban areas on the diurnal cycle of temperature and precipitation as found in global climate simulations Open
Urban areas with their high population density, industrial facilities and traffic account for about 70% of the world’s CO2 emissions and thereby contribute to global climate change. In addition, the urban fabric and its qualities (al…
View article: The Worldwide C3S CORDEX Grand Ensemble: A Major Contribution to Assess Regional Climate Change in the IPCC AR6 Atlas
The Worldwide C3S CORDEX Grand Ensemble: A Major Contribution to Assess Regional Climate Change in the IPCC AR6 Atlas Open
The collaboration between the Coordinated Regional Climate Downscaling Experiment (CORDEX) and the Earth System Grid Federation (ESGF) provides open access to an unprecedented ensemble of regional climate model (RCM) simulations, across th…
View article: Global exposure of population and land‐use to meteorological droughts under different warming levels and <scp>SSPs</scp>: A <scp>CORDEX</scp>‐based study
Global exposure of population and land‐use to meteorological droughts under different warming levels and <span>SSPs</span>: A <span>CORDEX</span>‐based study Open
Global warming is likely to cause a progressive drought increase in some regions, but how population and natural resources will be affected is still underexplored. This study focuses on global population, forests, croplands and pastures ex…
View article: How an urban parameterization affects a high‐resolution global climate simulation
How an urban parameterization affects a high‐resolution global climate simulation Open
The impact of urban areas on the global and regional climate has been assessed using the global Conformal Cubic Atmospheric Model (CCAM) including an urban canyon parameterization at a global resolution of 50 km. Simulations were produced …
View article: How Feasible Is the Scaling-Out of Livelihood and Food System Adaptation in Asia-Pacific Islands?
How Feasible Is the Scaling-Out of Livelihood and Food System Adaptation in Asia-Pacific Islands? Open
The sustainable development and food security of islands in the Asia-Pacific region is severely compromised by climate change, sea level rise and compounding socio-economic issues. To achieve a step-change in food production and climate ad…
View article: Future Global Meteorological Drought Hot Spots: A Study Based on CORDEX Data
Future Global Meteorological Drought Hot Spots: A Study Based on CORDEX Data Open
Two questions motivated this study: 1) Will meteorological droughts become more frequent and severe during the twenty-first century? 2) Given the projected global temperature rise, to what extent does the inclusion of temperature (in addit…
View article: Projected changes in rainfall and temperature over the Philippines from multiple dynamical downscaling models
Projected changes in rainfall and temperature over the Philippines from multiple dynamical downscaling models Open
To help meet increasing demands for high‐resolution climate change projections in the Philippines, this study provides the results of multiple dynamically downscaled climate model simulations for projected changes in rainfall and temperatu…
View article: Implementation of Tropical Cyclone Detection Scheme to CCAM model for Seasonel Tropical Cyclone Prediction over the Vietnam East Sea
Implementation of Tropical Cyclone Detection Scheme to CCAM model for Seasonel Tropical Cyclone Prediction over the Vietnam East Sea Open
This study has selected a vortex tracking algorithm scheme for simulating the activity of tropical cyclone in the Vietnam East Sea by CCAM model. The results show that the CCAM model is able to simulate well the large scale in each month t…
View article: Investigate the relationship between Storm Formation and Tropical Cyclone Genesis Potential Index in the Vietnam East Sea
Investigate the relationship between Storm Formation and Tropical Cyclone Genesis Potential Index in the Vietnam East Sea Open
In this paper, the relationship between Tropical Cyclone (TC) Genesis Potential Index (GPI) and the number of TC (NTC) associated with ENSO over the Vietnam East Sea (VES) was investigated. Observed TC data of the Regional Specialized Mete…
View article: Providing future climate projections using multiple models and methods: insights from the Philippines
Providing future climate projections using multiple models and methods: insights from the Philippines Open
To meet the growing demand for climate change information to guide national and local adaptation decision-making in the Philippines, the climate science and services community is producing an increasing volume of future climate data using …
View article: Building Asian climate change scenario by multi-regional climate models ensemble. Part II: mean precipitation
Building Asian climate change scenario by multi-regional climate models ensemble. Part II: mean precipitation Open
Under the framework of an project 'Building Asian Climate Change Scenarios by Multi-Regional Climate Models Ensemble', the ability of eight regional climate models and two fine-resolution global climate models to reproduce late 20th centur…
View article: Historical and future seasonal rainfall variability in Nusa Tenggara Barat Province, Indonesia: Implications for the agriculture and water sectors
Historical and future seasonal rainfall variability in Nusa Tenggara Barat Province, Indonesia: Implications for the agriculture and water sectors Open
Climate change impacts are most likely to be felt by resource-dependent communities, and consequently locally-relevant data are necessary to inform livelihood adaptation planning. This paper presents information for historical and future s…
View article: Projections of rapidly rising surface temperatures over Africa under low mitigation
Projections of rapidly rising surface temperatures over Africa under low mitigation Open
An analysis of observed trends in African annual-average near-surface temperatures over the last five
\ndecades reveals drastic increases, particularly over parts of the subtropics and central tropical Africa.
\nOver these regions, tempera…
View article: Projection of Indian summer monsoon climate in 2041–2060 by multiregional and global climate models
Projection of Indian summer monsoon climate in 2041–2060 by multiregional and global climate models Open
Using the results from three global climate models (GCMs) and seven regional climate models (RCMs), summer monsoon climate changes during 2041–2060 over Indian Peninsula are projected based on the Intergovernmental Panel on Climate Change …