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321 articles
Proceedings Article

A Novel Procedure to Model and Forecast Mobile Communication Traffic by ARIMA/GARCH Combination Models

Quang Thanh Tran, Li Hao, Quang Khai Trinh
Mobile traffic modeling and forecasting are the key techniques in terms of network optimization and management because better network management can be achieved through improving the forecasting accuracy. While mobile traffic has been studied extensively and proved to be effectively modeled with ARIMA...

Seasonal Activity of Influenza in Iran: Application of Influenza-like Illness Data from Sentinel Sites of Healthcare Centers during 2010 to 2015

Seyedhadi Hosseini, Manoochehr Karami, Maryam Farhadian, Younes Mohammadi
Pages: 29 - 33
This study aimed to predict seasonal influenza activity and detection of influenza outbreaks. Data of all registered cases (n = 53,526) of influenza-like illnesses (ILIs) from sentinel sites of healthcare centers in Iran were obtained from the FluNet web-based tool, World Health Organization (WHO), from...
Proceedings Article

Storage requirments in urban energy systems for the integration of rooftop photovoltaics

Marlon Schlemminger, Dennis Bredemeier, Alexander Mahner, Raphael Niepelt, Michael H. Breitner, Rolf Brendel
Solar photovoltaics (PV) on building rooftops is a major contributor to the decarbonization of energy systems and provides electricity close to consumption. However, high shares of PV challenge distribution grids and require energy storages due to the fluctuating daily and seasonal production profile....
Proceedings Article

Design and Material Optimisation of a Solar Dryer – Tray Section

Himanshu Bishwash, Shreya Bobadi, Manoj Nikam
India is a great country with about 160 million hectares of arable land. It is the second highest producer of agro-products in the world. 40% of its GDP is agriculture based. However, in the recent times, the contribution of agriculture to the GDP and area of arable land has reduced considerably mainly...
Proceedings Article

Simulation Study of Collaborative Inventory Management for Seasonal Products by Incorporating Newsvendor and Buyback Contract

Sahr Fillie, Niniet Indah Arvitrida, Nyoman I Pujawan
As supply chains become leaner, supply chain (SC) managers are often subjected to decrease inventory. Determining the appropriate inventory level for seasonal products without compromising the level of service provided to customers is crucial. This poses a challenge for supply chain managers to find...
Proceedings Article

Size Structure of Phytoplankton Community and its Response to Environmental Factors in Spring and Summer in Xiamen Bay, China

Ting-Ting Fu, Bao-Hong Chen, Wei-Dong Ji, Wen-Feng Chen, Hui Lin, Yong Luo, Kang Wang
Environmental characteristics and phytoplankton size structure were investigated during spring and summer cruises in 2015 in Xiamen Bay of China. The distribution of total Chlorophyll a (Chla) showed a seasonal and spatial variation. In surface water, total Chla concentration increased from west to east...
Proceedings Article

Research on the distributions and migrations of Zn in marine bay

Yang Dongfang, Chen Shengtao, Li Baolei, Geng Xiao, Liu Xing
This paper analyzed the vertical distribution and seasonal variations of Zn in waters of Jiaozhou Bay, Shandong Province, eastern China. Results showed that the Zn contents in Jiaozhou Bay waters were highest in spring and then decreasing from summer to autumn. There was an accumulation process of Zn...
Proceedings Article

Seasonal Limited Water Level Control of Reservoir Based on Flood Utilization

Lixiang Zhu, Xianfeng Huang, Xiumei Liu, Chengxiao Jia
The development of the transit of flood resources utilization, increase of surface storage capacity, is the strategic measures to alleviate the shortage of water resources and flood multiple contradictions. Shilianghe reservoir is a large reservoir of Jiangsu Province, Lianyungang City, is also the key...
Proceedings Article

Input and transfer processes of Cu in bay waters

Yang Dongfang, Miao Zhenqing, Cui Wenlin, Zheng Lin, Chen Shengtao
This paper analyzed the input and transfer processes of Cu in waters of Jiaozhou Bay, Shandong Province, eastern China. Results showed that the input of Cu was stream flow discharge and atmospheric deposition; while the major transfer processes of Cu was vertical sedimentation and horizontal diffusion....

Gastrointestinal pathogen distribution in symptomatic children in Sydney, Australia

Stephanie Fletcher, Sebastian Van Hal, David Andresen, Mary-Louise McLaws, Damien Stark, John Harkness, John Ellis
Pages: 11 - 21
There is limited information on the causes of paediatric diarrhoea in Sydney. This cross-sectional study used clinical and microbiological data to describe the clinical features and pathogens associated with gastrointestinal illnesses for children presenting to two major public hospitals in Sydney with...

Studies for Design of Spur in Meandering River - Tamilnadu

P. K. Suresh, D. Diwakar, C. Balaji, K. Dhanasekhar, T. G. Parameswaran
The Vellar is a seasonal river and is one of the seventeen river basins of Tamil Nadu (110 13’ N, 790 47’ E). The river has a length of 150km. It originates on the southern slope of Kalvarayan hills in Salem Dist. and drains into Bay of Bengal. Rainfall increases towards the east and the lower Vellar...
Proceedings Article

Evaluating Seasonal Variations of CO2 Fluxes from Peatland Areas in the Mongolian Permafrost Region

Saruulzaya Adiya, Tsogt-Erdene Gansukh, Batzorig Batbold
Greenhouse gases (GHGs) released from permafrost regions may have positive feedback on climate change, but there is much uncertainty about additional warming from the permafrost carbon cycle. One of the main reasons for this uncertainty is that the observation data for large-scale GHG fluxes are sparse,...
Proceedings Article

Estimating Air Pollution Index in Indonesia as Effort to Increase Life Expectancy

Fanny Novika
High levels of unhealthy Air Pollution Index (API) can severely impact human health and the environment. Thus, effective preparation for such risk events relies on precise estimation of unhealthy API levels. This study proposes the Generalized Pareto Distribution (GPD) Method based on the Bayesian framework...
Proceedings Article

Multiple Time Scale Analysis of Precipitation in the Hengyang Basin

Qin Jiang, Yi-Min Huang, Wei-Yue Li, Jia-Hong Wen
This paper based on the monthly precipitation data of 9 surface meteorological stations in the Hengyang basin for 53 years (1960 to 2012), by using the methods of Morlet wavelet transform and Mexican hat wavelet analysis, the multi-time scales of precipitation of the Hengyang basin has analyzed. The...

Analysis And Forecasting of Inflation Rate in Indonesia

Revi Anggreni, Ayu Wulandari, Agung Rizki Putra
This study aims to forecast the inflation rate in Indonesia for the period from January 2025 to December 2027. The analytical method used is SARIMA (Seasonal Autoregressive Integrated Moving Average). The data consist of monthly inflation figures from 34 provinces in Indonesia, obtained from the Central...

Micro Empirical Evidence on Price Adjustment

Mengfei Xiao, Yue-Da Hsieh, Peiyuan Xie
This essay categorizes the empirical evidence by developed countries firstly and developing countries secondly. Within these two groups, this essay divides each group into two subgroups, by general and specific evidence. In addition, we allow the inclusion of evidence on seasonal price changes on developed...
Proceedings Article

Seasonal variations of terrestrial Dissolved Organic Carbon loading in response to rainfall events

Huijiao Qiao, Jian Xu, Jilin Yan
Dissolved organic carbon (DOC) loading from lands to rivers in response to rainfall events are the major carbon sources to aquatic ecosystem. We used high-resolution measurements to determine the runoff exports of DOC from the Chippewa River and watershed which was largely dominated by agricultural land-uses....
Proceedings Article

Vertical distributions and seasonal variations of volatile phenols in Jiaozhou Bay

Dongfang Yang, Fengyou Wang, Sixi Zhu, Yunjie Wu, Xiuqin Yang
We analyzed the spatial distributions and seasonal variations of volatile phenols in the bay mouth of Jiaozhou Bay in May, September and October in 1983. Results showed that volatile phenols contents were changing by means of vertical water’s effect. Volatile phenols contents in surface waters were in...
Proceedings Article

The influences of pollution sources on the vertical distributions of As in Jiaozhou Bay waters

Dongfang Yang, Sixi Zhu, Fengyou Wang, Yunjie Wu, Xiuqin Yang
Based on the investigation data on As in surface and bottom waters in the bay mouth of Jiaozhou Bay in 1983, this paper analyzed the seasonal variations, vertical variations and horizontal distributions of As. Results showed that As contents in surface waters in different seasons were in order of summer...
Proceedings Article

Does Environmental Information Disclosure Increase the Firm Value and Investors' Confidence

Tangmei Yuan
Use all A-share listed companies of main board market in 2012 as samples, this paper investigate the influence of environmental information disclosure behavior on the firm future market value and investors` confidence in capital market. The research conclusion indicate that: (1)The listed companies`...
Proceedings Article

Study on the Response of PM2.5 Pollution to Land Use Change Based on GIS

Ping Zhang, Liang He, Yajuan Zhou, Peishu Huo, Wenbiao Tian
PM2.5 pollution is harmful to human health and ecological environment, and effective control of PM2.5 pollution has important practical significance for regional sustainable development. This paper analyzed the impact of land use change on PM2.5 pollution based on Geographic Information System (GIS),...