Diseases, Conditions, Syndromes

Identifying the main culprit of the COVID-19 disaster

A research team led by Professor Jianping Huang from Lanzhou University has launched a Global Prediction System for the COVID-19 pandemic. Their recent work explored the periodicity and mutability in the evolutionary history ...

Diseases, Conditions, Syndromes

Healthy environment, healthy kidneys

Health has always been affected by climate and weather, but is increasingly clear that the change in climate is a significant threat to human health. The World Health Organization (WHO) estimates that 24% of global deaths ...

Diseases, Conditions, Syndromes

Researcher studies rise of tick-borne diseases in Midwest

When Ram Raghavan heard from a former colleague at the Centers for Disease Control and Prevention that a 7-year-old girl had died from Rocky Mountain spotted fever as the result of a tick bite, he thought of his own daughter, ...

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Climate

Climate encompasses the statistics of temperature, humidity, atmospheric pressure, wind, rainfall, atmospheric particle count and numerous other meteorological elements in a given region over long periods of time. Climate can be contrasted to weather, which is the present condition of these same elements over periods up to two weeks.

The climate of a location is affected by its latitude, terrain, altitude, ice or snow cover, as well as nearby water bodies and their currents. Climates can be classified according to the average and typical ranges of different variables, most commonly temperature and rainfall. The most commonly used classification scheme is the one originally developed by Wladimir Köppen. The Thornthwaite system, in use since 1948, incorporates evapotranspiration in addition to temperature and precipitation information and is used in studying animal species diversity and potential impacts of climate changes. The Bergeron and Spatial Synoptic Classification systems focus on the origin of air masses defining the climate for certain areas.

Paleoclimatology is the study and description of ancient climates. Since direct observations of climate are not available before the 19th century, paleoclimates are inferred from proxy variables that include non-biotic evidence such as sediments found in lake beds and ice cores, and biotic evidence such as tree rings and coral. Climate models are mathematical models of past, present and future climates.

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