New Directions: Chemical climatology and assessment of atmospheric composition impacts

New Directions: Atmospheric Brown ‘‘Clouds’’

In February 1999, over 200 scientists from India, Europe and USA gathered in the islands of the Maldives to conduct the Indian Ocean Experiment (INDOEX). As reported by Ramanathan and coworkers (Journal of Geophysical Research, 106 (2001), 371–399), INDOEX revealed the so-called ‘‘brown cloud’’ phenomenon over the Northern Indian Ocean region with a large impact on the solar radiative heating o...

Chemical composition of atmospheric aerosols between Moscow and Vladivostok

diagnostic and developmental potentials of dynamic assessment for writing skill

این پایان نامه بدنبال بررسی کاربرد ارزیابی مستمر در یک محیط یادگیری زبان دوم از طریق طرح چهار سوال تحقیق زیر بود: (1) درک توانایی های فراگیران زمانیکه که از طریق برآورد عملکرد مستقل آنها امکان پذیر نباشد اما در طول جلسات ارزیابی مستمر مشخص شوند; (2) امکان تقویت توانایی های فراگیران از طریق ارزیابی مستمر; (3) سودمندی ارزیابی مستمر در هدایت آموزش فردی به سمتی که به منطقه ی تقریبی رشد افراد حساس ا...

A spectral climatology for atmospheric compensation

Most Earth observation hyperspectral imagery (HSI) detection and identification algorithms depend critically upon a robust atmospheric compensation capability to correct for the effects of the atmosphere on the radiance signal. Most atmospheric compensation methods perform optimally when ancillary ground truth data are available, e.g., high fidelity in situ radiometric observations or atmospher...

Chemical bonding in crystals: new directions

Analysis of the chemical bonding in the position space, instead of or besides that in the wave function (Hilbert) orbital space, has become increasingly popular for crystalline systems in the past decade. The two most frequently used investigative tools, the Quantum Theory of Atoms in Molecules and Crystals (QTAIMAC) and the Electron Localization Function (ELF) are thoroughly discussed. The tre...