Seasonality and extent of extratropical TST derived from in-situ CO measurements during SPURT P. Hoor , C. Gurk, D. Brunner, M.I. Hegglin, H. Wernli , and H. Fischer Institute for Atmospheric and Climate Science, Swiss Federal Institute of Technology, Zürich, Switzerland Max Planck Institute for Chemistry, Air Chemistry, Mainz, Germany Institute for Atmospheric Physics, University of Mainz, Ger...

abstruct anzali wetland in north of guilan provience is an international important wetland that is recorded in ramsar convension. pollution is one of the major problems facing this wetland. in order to investigate the pollution situation, sediment core samples were taken in 7 stations in 4 districts within the wetland, namely abkenar, siakishom, hendekhale and shijan). elements were determined ...

Together with water vapour and carbon dioxide (CO2), methane (CH4) is an important greenhouse gas, because of its strong global warming potential of 23×CO2 on a 100year time scale. The atmospheric mixing ratio of CH4 has increased with 151 ± 25%, since pre-industrial times. About 60% of the global CH4 emission is of antropogenous origin. From the natural sources (wetlands, termites, oceans, CH4...

a r t i c l e i n f o The increasing fragmentation and degradation tendency of estuarine wetlands due to rapid urbanization in coastal areas exert the urgent need to quantify the structural characteristic of wetland network, which involves the fragmentized wetland patches for wetland restoration and conservation. Although wetland networks have already been used for conservation planning on a re...

abdul'azimal-rabi'i is a contemporary arab poet, nurtured in the literary tradition of najaf, iraq, who wrote many poems on the virtues of ahl al-bayt and how they were wronged. life and poetry of al-rabi’i is not much known to iranian researchers. this study therefore intends to focus on him using an analytical-descriptive methodology.  the findings show that al-rabi’i, neglecting th...

How did your education and early career lead to initial continuing interest in the control field?