WMO air quality and climate bulletin 2022
The WMO Air Quality and Climate Bulletin reports annually on the state of air quality and its connections to climate change, reflecting on the geographical distribution of and changes in the levels of
Atmosphere
-
The unprecedented coupled ocean-atmosphere summer heatwave in the New Zealand region 2017/18: drivers, mechanisms and impacts
<p>During austral summer (DJF) 2017/18, the New Zealand region experienced an unprecedented coupled ocean-atmosphere heatwave, covering an area of 4 million km2. <a href="http://www.indiaenvironmentportal.org.in/files/file/heatwave-NewZealand.pdf"
-
The sensitivity of PM2.5 acidity to meteorological parameters and chemical composition changes: 10-year records from six Canadian monitoring sites
<p>Aerosol pH is difficult to measure directly but can be calculated if the chemical composition is known with sufficient accuracy and precision to calculate the aerosol water content and the H+ concentration
-
Bayesian Network Model for flood forecasting based on atmospheric ensemble forecasts
<p>The purpose of this study is to propose the Bayesian Network (BN) model to estimate flood peak from Atmospheric Ensemble Forecasts (AEFs).<a href="http://www.indiaenvironmentportal.org.in/files/file/Bayesian-flood-forecasting-Tehran.pdf"
-
Impact of deadly dust storms (May 2018) on air quality, meteorological, and atmospheric parameters over the northern parts of India
<p>The northern part of India, adjoining the Himalaya, is considered as one of the global hot spots of pollution because of various natural and anthropogenic factors. Throughout the year, the region is
-
Faster CO2 rise expected this year: Study
The Earth this year may witness one of the largest increase in atmospheric carbon dioxide in over six decades of record keeping, scientists say. The forecast by researchers from the UK Met Office and
-
Drop beef and save millions of lives, slash emissions: WEF
GENEVA: Switching from beef to alternative proteins could save millions of lives and dramatically slash greenhouse gas emissions, the World Economic Forum said Thursday. New research conducted by the
-
Prediction of the strength and timing of sunspot cycle 25 reveal decadal-scale space environmental conditions
<p>The Sun’s activity cycle governs the radiation, particle and magnetic flux in the heliosphere creating hazardous space weather. Decadal-scale variations define space climate and force the Earth’s
-
WMO greenhouse gas bulletin (GHG Bulletin): the state of greenhouse gases in the atmosphere based on global observations through 2017
Levels of heat-trapping greenhouse gases in the atmosphere have reached another new record high, according to the World Meteorological Organization (WMO). There is no sign of a reversal in this trend,
-
Recent changes in summer Greenland blocking captured by none of the CMIP5 models
<p>Recent studies note a significant increase in highpressure blocking over the Greenland region (Greenland Blocking Index, GBI) in summer since the 1990s.<a href="http://www.indiaenvironmentportal.org.in/files/file/Greenland_blocking.pdf"
-
State of the Climate in 2017
Last year was the warmest ever recorded on Earth that didn’t feature an El Niño, a periodic climatic event that warms the Pacific Ocean, according to the annual state of the climate report by 500 climate