News Update on Meteorology Research: Oct – 2019

Data Assimilation in Meteorology and Oceanography

This chapter provides a review of current operational follow and of advanced knowledge assimilation techniques in meteorology. Numerical models will be accustomed assimilate meteoric and oceanographic knowledge, making a dynamically consistent, complete and correct “movie” of the 2 geofluids, atmosphere, and ocean in motion. The ocean’s sturdy stratification helps verify the foremost energetic scales and processes for the world ocean circulation. Active analysis on knowledge assimilation is burgeoning quickly in each meteorology and earth science. Operational NWP needs have created a mature data-assimilation technology in meteorology, from that climatical analysis has benefitted moreover. [1]

Handbook of statistical methods in meteorology

Although meant for the meteorologic employee, a minimum of twenty out of the twenty-two chapters of this book area unit involved with applied mathematics strategies of general ability and should somewhat be turned to by the a lot of general individual seeking associate insight into the appliance of those strategies, and their application to numerical knowledge. the fabric is up-to-date, and with authority started out. The scope of the book could also be seen by the inclusion, additionally to the quality topics, of sections on smoothing, interpolation and curve-fitting, and on statistic, this last together with harmonic and periodogram analysis, and also the a lot of fashionable “correlogram, ” further as special topics. [2]

GPS Meteorology: Mapping Zenith Wet Delays onto Precipitable Water

Emerging networks of worldwide Positioning System (GPS) receivers will be employed in the remote sensing of part vapor. The time-varying celestial point wet delay determined at every GPS receiver AN exceedingly|in a very} network will be reworked into an estimate of the precipitable water superjacent that receiver. This transformation could be achieved by multiplying the celestial point wet delay by an element whose magnitude is a operate of bound constants associated with the deflexion of dampish air and of the weighted mean temperature of the atmosphere. The mean temperature varies in house ANd time ANd should be calculable a priori so as to remodel an determined celestial point wet delay into an estimate of precipitable water. we tend to show that the relative error introduced throughout this transformation closely approximates the relative error within the foreseen mean temperature. [3]

Long-term Changes in Extreme Air Pollution Meteorology and the Implications for Air Quality

Extreme pollution meteorologic events, like heat waves, temperature inversions and part stagnation episodes, will considerably have an effect on air quality. supported empirical  information, we’ve got analyzed the semipermanent evolution of utmost pollution meteorology on the world scale and their potential impacts on air quality, particularly the high pollution episodes. we’ve got known important increasing trends for the occurrences of utmost pollution meteorologic events within the past six decades, particularly over the continental regions. [4]

The Role of Meteorology for Seasonal Variation in Air Pollution Level in Eleme, Rivers State, Nigeria

Meteorological variables play vital roles within the dispersion and dilution of air pollutants in a district. This study investigates the influence of meteorologic parameters on differences due to the season of air pollutants in an exceedingly semi industrial space. A 10 year set of air quality and meteorologic knowledge were collected and employed in the study. knowledge analysis was done exploitation MatLab and SPSS software package. The study showed that the degree of pollution within the space varies per 2 current of air directions that dominated the realm. The study indicated that NO2 decreases with wind speed and ratio, and slightly will increase with wind direction and temperature. [5]

Reference

[1] Ghil, M. and Malanotte-Rizzoli, P., 1991. Data assimilation in meteorology and oceanography. In Advances in geophysics (Vol. 33, pp. 141-266). Elsevier. (Web Link)

[2] Brooks, C.E.P. and Carruthers, N., 1953. Handbook of statistical methods in meteorology. Handbook of statistical methods in meteorology. (Web Link)

[3] Bevis, M., Businger, S., Chiswell, S., Herring, T.A., Anthes, R.A., Rocken, C. and Ware, R.H., 1994. GPS meteorology: Mapping zenith wet delays onto precipitable water. Journal of applied meteorology, 33(3), (Web Link)

[4] Long-term Changes in Extreme Air Pollution Meteorology and the Implications for Air Quality
Pei Hou & Shiliang Wu
Scientific Reports volume6, Article number: 23792 (2016) (Web Link)

[5] Yorkor, B., Leton, T. G. and Ugbebor, J. N. (2017) “The Role of Meteorology for Seasonal Variation in Air Pollution Level in Eleme, Rivers State, Nigeria”, Journal of Scientific Research and Reports, 17(3), (Web Link)

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