نتایج جستجو برای: climatology data

تعداد نتایج: 2413084  

2005
Russell

The Halogen Occultation Experiment (HALOE) on board the Upper Atmosphere Research Satellite (UARS) has observed mixing ratios of important trace species in the stratosphere for more than a decade since 1991. Here we present a climatology for the stratosphere compiled from HALOE O3, H2O, CH4, NOx, HCl, and HF data for the period from 1991 to 2002. In this approach, the data are averaged over equ...

2014
V. F. Sofieva

A new ozone climatology, based on ozonesonde and satellite measurements, spanning the altitude region between the earth’s surface and ∼60 km is presented (TpO3 climatology). This climatology is novel in that the ozone profiles are categorized according to calendar month, latitude and local tropopause heights. Compared to the standard latitude–month categorization, this presentation improves the...

2004
Jeremy I. Fisher John F. Mustard

High spatial and temporal resolution maps of sea surface temperature (SST) have numerous applications in coastal and estuarine systems. A climatology map, tracking SST as a function of year-day, was produced at Southern New England using 53 Landsat TM and ETM+ thermal infrared data. A recursive curve-fitting algorithm was used to fit these data and eliminate cloud contamination, resulting in an...

2015
Kelsey Mulder Kelsey J. Mulder

The winners of the poster prizes are below Kelsey Mulder presenting her poster We present a climatology for tornadoes in the British Isles, defined here as England, Scotland, Wales, Northern Ireland, Republic of Ireland, Channel Islands, and the Isle of Man. The climatology includes the geographic distribution, annual and diurnal cycles, seasonality, intensities, and occurrence of outbreaks in ...

Journal: :Monthly Notices of the Royal Astronomical Society 2015

2015
Zhong Liu Menglin Susan Jin

The NASA/JAXA Tropical Rainfall Measuring Mission (TRMM) has been in operation for over 17 years since 1997. The length of TRMM is far shorter than those from ground observations, raising a question as to whether TRMM derived climatology products are good enough for research and applications. In this study, three climatologies derived from a blended product (the TRMM Multi-Satellite Precipitati...

2016
R. Larsson

I have just three minor comments. 1. I did not get a feeling for the significance of the results shown in Fig. 6 which show discrepancies between 3D and 2D magnetic field treatment of up to +/-7K in the tropics. This sounds a lot and makes me wonder if modelling from 2D is in fact useless for these higher channels. A question is how does this compare to variance with respect to climate in obser...

تاپاک, لیلی, حمیدی, امید, شیر محمدی خرم, نسرین, مریانجی, زهره,

Background and Objectives: Identification of statistical models has a great impact on early and accurate detection of outbreaks of infectious diseases and timely warning in health surveillance. This study evaluated and compared the performance of the three data mining techniques in time series prediction of brucellosis.   Methods: In this time series, the data of the human brucellosis cases a...

2016
David Barton

There are over 900 nights of observations taken by the Rayleigh lidar above Utah State University from 1993 to 2004. The data have been reduced to give absolute temperatures and relative densities in the mesosphere, from 45-90 km (Herron, 2004, 2007). From the 11 years of relative density data an 11-year climatology of mesospheric densities above Logan, Utah has been created. From this climatol...

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