2 edition of interannual variability of monthly mean air temperatures over the Northern Hemisphere. found in the catalog.
interannual variability of monthly mean air temperatures over the Northern Hemisphere.
J. M. Craddock
|Series||Scientific paper / Meteorological Office -- No.20|
|The Physical Object|
|Number of Pages||25|
The haze pollution over eastern China has evident interannual variability. Based on the observed daily visibility at the meteorological stations from to , the interannual variability of winter haze days (WHD) and its relation to Cited by: 9. expected, CET (air temperature over land) shows the highest interannual variability and the largest annual range (not shown) and HadISST1 the smallest SST. The air temperatures were the highest in the CET record in , with the annual mean air temperature anomaly in all three datasets between + and ˚ Size: 1MB.
5. Interannual climate variability and surface air temperature extremes Standardized indices (i.e., normalized by standard de-viation) representing ENSO (Fig. 1c) and the AO (Fig. 3c) are used together with composite analysis to relate interannual climate variability to surface air temperature extremes. We focus on how ENSO and the AO affect. Extratropical cyclones exert a large socioeconomic impact. It is therefore important to assess their interannual variability. We generate cyclone tracks from the National Center for Environmental Prediction’s Reanalysis I and the European Centre for Medium Range Prediction ERA reanalysis datasets. To investigate the interannual variability of cyclone tracks, we compare Cited by: 3.
Interannual variability of cyclones that are generated over the eastern Asian continent and passed over the Yellow, Bohai, and East China seas (YBE cyclones) in spring is analyzed using reanalysis datasets for the period of – Possible causes for the variability are also discussed. Results show that the number of YBE cyclones exhibits significant interannual variability Cited by: 1. Climate Variability, Extremes and Change in the Western Tropical Pacific: New Science and pdated Country Reports Current Climate • Warming trends are evident in both annual and half-year mean air temperatures at Majuro (southern Marshall Islands) since and at Kwajalein (northern Marshall Islands) since
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Interannual covariability in Northern Hemisphere air temperatures and greenness associated with El Nin˜o-Southern Oscillation and the Arctic Oscillation Wolfgang Buermann,1,2 Bruce Anderson,1 Compton J.
Tucker,3 Robert E. Dickinson,4 Wolfgang Lucht,5 Christopher S. Potter,6 and Ranga B. Myneni1. covariability in Northern Hemisphere air temperatures and greenness associated with El Nin ˜o-Southern Oscillation and the Arctic Oscillation, J.
Geophys. Res., (D13),doi Abstract. The interannual variations of summer surface air temperature over Northeast China (NEC) were investigated through a month-to-month analysis from May to August.
The results suggested that the warmer temperature over NEC is related to a local positive hPa geopotential height anomaly for all four by: 6. The leading patterns of variability of the monthly mean Northern Hemisphere (NH) sea level pressure (SLP) field, as derived from empirical orthogonal teleconnection (EOT) analysis of a yr (–) record of NOAA–CIRES 20th Century Reanalyses, are presented and discussed, with emphasis on wintertime by: This paper examines long-term change in the interannual variability in surface air temperature and its cause by using monthly data generated in climate change experiments () performed using two models.
Regions north of 20°N are analyzed. Anomalies are defined as high-pass filtered values with a cutoff period of 30 years. Interannual variabilities of anomalies are Cited by: 8.
Winter Northern Hemisphere surface air temperature variability associated with the Arctic Oscillation and North Atlantic Oscillation, Geophys. Res. Lett., 32, L, doi/ GL 1.
Introduction  The Northern Hemisphere (NH) atmospheric variabil-ity in the winter has been extensively studied during the past decades. The interannual variability of winter surface air temperature (SAT) in the Northern Hemisphere (NH) associated with the Arctic Oscillation (AO) and the North Atlantic Oscillation (NAO) is studied.
The AO and the NAO show different impacts on winter NH SAT variations. The AO affects the SAT over the Euro‐Asian and African continents, whereas the. Subseasonal and Interannual Temperature Variability in Relation to Extreme This study investigates interannual variability in the frequency of occurrence of daily surface air temper-ature (SAT) extremes over East Asia in summer and winter between and of monthly-mean Northern Hemisphere sea level pressure for all months.
Monthly mean fields of sea-level pressure, hPa geopotential height, near-surface air temperature, and total-column water vapor content are obtained from the National Center for Environmental Prediction/National Center for Atmospheric Research Reanalysis [Kalnay et al., ], and monthly mean precipitation data are from the Global.
Monthly climatology (including air a weakening relationship between interannual temperature variability and CO2 changes on the greening of the Northern Hemisphere over the past two decadesCited by: An Antarctic ice core reveals that, during the last ice age, the topography of Northern Hemisphere ice sheets shifted tropical Pacific convection eastward, increasing climate variability in the Cited by: The principal patterns of variability of the extratropical Northern Hemisphere (NH) wintertime circulation are examined, based on 42 yr of data from the NCAR–NCEP reanalyses.
The two-dimensional phase space deﬁned by the two leading PCs of the monthly mean sea level pressure (SLP) ﬁeld poleward of N is used as a basis for surveying the. The interannual variability of winter surface air temperature (SAT) in the Northern Hemisphere (NH) associated with the Arctic Oscillation (AO) and the North Atlantic Oscillation (NAO) is studied.
A cooler northern hemisphere during January/February leads to a poor monsoon. All the major drought years during the last 3 decades had much cooler January/February periods over the northern hemisphere— having the coldest January/February with a temperature departure of −°C and the most disastrous monsoon by: Monthly Mean time series of 1) surface air temperature anomalies averaged over the Northern Hemisphere based on data from land stations, 2) sea surface temperature anomalies averaged over the Northern Hemisphere oceans, and 3) mb thickness anomalies averaged over the region poleward of 40°N are examined.
The data are stratified in terms of warm (May. Note that the interannual variability of the zonal-mean air temperature, high-latitude zonal wind and polar vortex in boreal winter at lag +1 year responding to the E in is in good agreement with the counterparts of the solar maximum revealed by Thiéblemont et al.
It implies that the previously proposed pathway, on a decadal time scale, can also link the Author: Shengping He, Shengping He, Shengping He, Huijun Wang, Huijun Wang, Fei Li, Fei Li, Fei Li, Hui Li.  The observed evolution of the global‐mean surface temperature over the twentieth century reflects the combined influences of natural variations and anthropogenic forcing, and it is a primary goal of climate models to represent both.
In this study we isolate, compare, and remove the following natural signals in observations and in climate models: dynamically induced. We have examined the interannual and secular variability of temperature through the water column in the central Strait of Georgia in terms of a continuous time series of semi-monthly vertical temperature profiles extending over a 36 year period (–).Cited by: November–April mean air temperatures at Rarotonga for the – period.
Annual and half-year minimum air temperature trends are greater than those observed for maximum air temperatures at. Rarotonga (Table ). Over the period –, the annual, winter and summer Rarotonga trends are slightly larger and more significant compared.
(CGT) pattern in the summertime midlatitude circulation of the Northern Hemisphere. This pattern rep-resents the second leading empirical orthogonal function of interannual variability of the upper-tropospheric circulation.
The CGT, having a zonal wavenumber-5 structure, is primarily positioned within. Prediction of monsoon rainfall change in the coming decades is a great challenge because this change involves internal natural variability and external natural (e.g., solar and volcanic activity) and anthropogenic (e.g., greenhouse gas, aerosols, and land use) climate forcings.
The global mean surface air temperature has increased by about Cited by: Inﬂuence of the quasi-biennial oscillation on interannual variability in the Northern Hemisphere winter stratosphere James A. Anstey Doctor of Philosophy, Department of Physics, University of Toronto ABSTRACT Observations show that the interannual variability of the Northern HemisphereAuthor: James Alexander Anstey.interannual variability of monthly-mean solar and wind resource from to at a resolution of about degrees.
We ﬁnd an average coefﬁcient of variation (CV) of 11% for monthly-mean solar radiation and 8% for windspeed. Mean CVs were about 25% greater over ocean than over land, and, for land areas, were greatest at high by: 9.