نتایج جستجو برای: scale climatic signals including ocean

تعداد نتایج: 1723610  

2005
Jonathan Erez

The global carbon cycle is strongly perturbed by fossil fuel burning leading to atmospheric CO2 increase. Climatic warming followed by polar ice melting and global sea level rise are predicted due to the greenhouse effect of increasing CO2 in the atmosphere (Houghton et al. 1995). The ocean plays a major role in neutralizing the excess CO2 because the amount of inorganic carbon available for ex...

Journal: :Journal of geomagnetism and geoelectricity 1993

2007
D. Nagesh Kumar M. Janga Reddy Rajib Maity

This paper presents an Artificial Intelligence approach for regional rainfall forecasting for Orissa state, India on monthly and seasonal time scales. The possible relation between regional rainfall over Orissa and the large scale climate indices like El-Niño Southern Oscillation (ENSO), EQUitorial INdian Ocean Oscillation (EQUINOO) and a local climate index of Ocean-Land Temperature Contrast (...

2004
K. S. Kavak

The Sivas Basin is one of the most well known major Tertiary basins of the Anatolia connected with the evolution of the Neotethyan Ocean. Central Anatolian Thrust Belt contains realms of this ocean and bounds the basin from north. Therefore, realms of the Inner Tauride Ocean are also surrounded the basin from southeast and represented with allochthonous units. Axis of the eastern section of thi...

2006
Heiko Pälike Julia Frazier James C. Zachos

We extend existing high-resolution Oligocene–Miocene proxy records from Ocean Drilling Program (ODP) Leg 154. The extended record spans the time interval from 17:86 to 26.5Ma. The data are age calibrated against a new astronomical solution that affords a reevaluation of the intricate interaction between orbital (‘‘Milankovitch’’) forcing of the climate and ocean system, and the fidelity with wh...

2005
D. Nagesh Kumar M. Janga Reddy Rajib Maity

The continuous occurrence of changes in the global climate causes significant variability in the seasonal and intra-seasonal rainfall pattern, which often leads to frequent floods and droughts in India. To reduce the magnitude of effect of such natural calamities and for better management of water resources, it is essential to predict the rainfall, well in advance. In this study the possible re...

2007
Mojib Latif

T El Nino/Southern Oscillation phenomenon (ENSO, for short) is the strongest source of natural variability in Earth's climate system. ' Although ENSO originates in the tropical latitudes of the Pacific Ocean, its climatic impact is felt globally. Variations in major rainfall systems that are attributed to ENSO range from droughts in Indonesia and Australia to storms and flooding in Ecuador and ...

2015
Dale B. Haidvogel Mohamed Iskandarani

SCIENTIFIC/TECHNICAL OBJECTIVES Modeling objectives are: (1) to produce a new generation of basin-scale ocean circulation models based on the spectral nite element technique; (2) to compare the performance of the resulting nite element model with that of more traditional ocean circulation models; (3) to couple the resulting basin-scale model to sub-basin-scale models for (e.g.) the coastal boun...

Journal: :international journal of civil engineering 0
m. karamouz school of civil engineering, university of tehran, tehran, iran m. fallahi school of civil engineering., amirkabir university of tech., tehran, iran s. nazif school of civil engineering, university of tehran, tehran, iran m. rahimi farahani school of civil engineering., amirkabir university of tech., tehran

runoff simulation is a vital issue in water resource planning and management. various models with different levels of accuracy and precision are developed for this purpose considering various prediction time scales. in this paper, two models of ihacres (identification of unit hydrographs and component flows from rainfall, evaporation and streamflow data) and ann (artificial neural network) mode...

Journal: :Philosophical transactions of the Royal Society of London. Series B, Biological sciences 2010
Hugo Sarmento José M Montoya Evaristo Vázquez-Domínguez Dolors Vaqué Josep M Gasol

Previsions of a warmer ocean as a consequence of climatic change point to a 2-6 degrees C temperature rise during this century in surface oceanic waters. Heterotrophic bacteria occupy the central position of the marine microbial food web, and their metabolic activity and interactions with other compartments within the web are regulated by temperature. In particular, key ecosystem processes like...

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