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(No further facets)- Created 6 years ago
SuDS Opportunity Mapping Tool
Greater London Authority (GLA)User Guide for the SuDS Opportunity Mapping Tool. - Created 6 years ago
Borough Heat Mapping reports (2010-2012)
Greater London Authority (GLA)Borough Heat Mapping reports produced by Local Authorities across London in the period 2010-2012. LDA funded through the DEMap Programme - Created 6 years ago
Communal Heating Consumer Survey Report
Greater London Authority (GLA)The Communal Heating Consumer Survey was conducted in October 2017 to collect feedback from consumers on their views on the quality and satisfaction of the communal heating scheme which provides space heating and hot water to their properties. A report has been published a year after, summarising the survey's key findings and results, and it can be downloaded here. The GLA is aware that residents in some new developments where CHP sy... - Updated 6 years ago
Green roofs in the Central Activities Zone
Greater London Authority (GLA)Overview An updated spatial data set for existing green roofs has been produced for London's Central Activities Zone (CAZ) using 2015 aerial imagery. The CAZ makes up around two per cent of London's total area. Method ArcMap GIS software was used to map green roofs installations. The aerial imagery was loaded into the software in true colour (RGB) and infrared (IR) composites, along with the CAZ boundary and London 500x500m Ordnance Sur... - Updated 7 years ago
PM2.5 map and exposure data
Greater London Authority (GLA)This report contains an introduction to PM2.5, summarises our current understanding of PM2.5 concentrations and exposure, discusses the findings of research undertaken by the GLA and TfL into the extent of PM2.5 pollution in London, and assesses the potential for meeting World Health Organisation guidelines by 2030. Our analysis found that at present all Londoners are exposed to concentrations higher than WHO air quality guidelines, bu... - Updated 7 years ago
Mortality Risk from High Temperatures in London (Triple Jeopardy Mapping)
Greater London Authority (GLA)A heatwave refers to a prolonged period of unusually hot weather. While there is no standard definition of a heatwave in England, the Met Office generally uses the World Meteorological Organization definition of a heatwave, which is "when the daily maximum temperature of more than five consecutive days exceeds the average maximum temperature by 5°C, the normal period being 1961-1990". They are common in the northern and southern hemisph... - Updated 7 years ago
Analysing Air Pollution Exposure in London
Greater London Authority (GLA)Updated in Februrary 2017. Air quality in London has improved in recent years as a result of policies to reduce emissions, primarily from road transport. However, recently updated maps of pollution concentrations for 2013 (LAEI 2013) still show significant areas of exceedances of the annual mean NO2 EU Limit Values. Improvements are planned to address these, as recently announced in the Mayor’s package of air quality measures. The U... - Updated 7 years ago
London’s Urban Heat Island - During A Warm Summer
Greater London Authority (GLA)For an urban heat island map during an average summer see this dataset. A heatwave refers to a prolonged period of unusually hot weather. While there is no standard definition of a heatwave in England, the Met Office uses the World Meteorological Organization definition of a heatwave, which is "when the daily maximum temperature of more than five consecutive days exceeds the average maximum temperature by 5°C, the normal period being 1... - Updated 7 years ago
London's Urban Heat Island - Average Summer
Greater London Authority (GLA)For an urban heat island map during a warm summer see this dataset. This map shows the results of an ‘UrbClim’ simulation for the mean temperature at midnight during the summer of 2011 (May to September) at a resolution of 250m. This summer has been selected as a typical summer for a West-European city. On average, the night-time temperature is approximately 4°C higher in the city centre. During some hot nights, even larger effects ar... - Created 9 years ago
Understanding Health Impacts of Air Pollution in London
Greater London Authority (GLA)Borough Tables from Understanding the Health Impacts of Air Pollution in London report. King’s College London, commissioned by the Greater London Authority and Transport for London, have calculated the health impacts associated with the air pollutant nitrogen dioxide (NO2) in London. This new study shows that in 2010 there was the equivalent of up to 5,900 deaths across London associated with NO2 long term exposure. (Please note: thes...