全部文献期刊学位论文会议报纸专利标准年鉴图书|学者科研项目
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作者:MONIQUE S. FERREIRA , MARIA DE LOURDES B.T. GALO
来源:[J].Anais da Academia Brasileira de Ciências(IF 0.851), 2018, (ahead), pp.00-00DOAJ
摘要:... Among these, the phytoplankton pigment chlorophyll a is the most representative pigment of photosynthetic activity in all classes of algae. In this sense, this work aims to develop a method of spatial inference of chlorophyll a concentration using Artificial Neural Networks ...
作者:Jieqiong Su , Xuan Wang , Shouyan Zhao ...
来源:[J].Water(IF 0.973), 2015, Vol.7 (4), pp.1610-1627DOAJ
摘要:With decreasing water availability as a result of climate change and human activities, analysis of the influential factors and variation trends of chlorophyll a has become important to prevent reservoir eutrophication and ensure water supply safety. In this paper, a structurally ...
作者:Alexander A. Molkov , Sergei V. Fedorov , Vadim V. Pelevin ...
来源:[J].Remote Sensing(IF 2.101), 2019, Vol.11 (10)DOAJ
摘要:The possibilities of chlorophyll a (Chl a ) and total suspended matter (TSM) retrieval using Sentinel-2/MSI imagery and in situ measurements in the Gorky Reservoir are investigated. This water body is an inland freshwater ecosystem within the territory of the Russian Federation. ...
作者:Qianqian Chen , Xiaodong Liu , Yaguang Nie ...
来源:[J].Polar Research(IF 1.622), 2013, Vol.32, pp.1-10DOAJ
摘要:The visible reflectance spectroscopy (VRS) and chlorophyll a concentration were determined in three sediment profiles collected from East Antarctica to investigate the potential application of VRS in reconstructing historical changes in Antarctic lake primary productivity. The ...
作者:Yuangang Qu , Shuai Zhang , Yuji Lian ...
来源:[J].Science China Life Sciences(IF 2.024), 2017, Vol.60 (3), pp.307-312Springer
摘要:Abstract(#br)Chlorophyll a and β-carotene play an important role in harvesting light energy, which is used to drive photosynthesis in plants. In this study, terahertz (THz) and visible range spectra of chlorophyll a and β-carotene and their changes under light treatment we...
作者:Mariona Segura-Noguera , Antoni Cruzado , Dolors Blasco
来源:[J].Scientia Marina(IF 1.006), 2016, Vol.80 (S1), pp.39-56DOAJ
摘要:Reference depth profiles of dissolved inorganic nutrients, dissolved oxygen and chlorophyll a are described for the Catalan Sea using quality controlled data. Phosphate, nitrate and silicate show typical nutrient profiles, with nutriclines at different depths. Maximums of nitrite...
作者:Tianyu Li , Ye Zhang , Nan Gong ...
来源:[J].International Journal of Molecular Sciences(IF 2.464), 2016, Vol.17 (6)DOAJ
摘要:Modulating the chlorophyll a (Chl-a) fluorescence by all-trans-β-Carotene (β-Car) in the polarity and non-polarity solutions was investigated. The fluorescence intensity of Chl-a decreased as the concentration of β-Car increased. The excited electronic levels of Chl-a an...
作者:Jelic-Mrcelic Gorana , Sliskovic Merica
来源:[J].Archives of Biological Sciences(IF 0.791), 2013, Vol.65 (2), pp.567-570DOAJ
摘要:This paper offers a brief review of the impacts of fish farming on the nutrient content and chlorophyll a in Mala Lamljana Bay, Croatia. Local loading of nitrogen and phosphorous compounds in fish farms can be very significant and can represent the largest source of N and P in a ...
作者:Jiwen Ge , Shuyuan Wu , Dado Touré ...
来源:[J].Environmental Science and Pollution Research(IF 2.618), 2017, Vol.24 (35), pp.26881-26892Springer
摘要:... Chlorophyll a concentration and ash-free dry mass (AFDM) were estimated for epilithic algae of the Gufu River basin in Three Gorges Reservoir area. Environmental factors in the Gufu River ecosystem highlighted differences in periphyton chlorophyll a ranging from 1.49 mg m...
作者:Ana Gordoa , Xenia Illas , Antonio Cruzado ...
来源:[J].Scientia Marina(IF 1.006), 2008, Vol.72 (4), pp.757-767DOAJ
摘要:We address the major surface signatures of chlorophyll a in the Catalan Sea within the context of the dynamics of the north-western Mediterranean basin. Monthly composites from MERIS measurements and CHL products for Case 1 waters were analysed from June 2002 to June 2005. Compos...

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