Exploiting the observed robust relationships between temperature and optical depth in extratropical clouds, we calculate the shortwave cloud feedback from historical data, by regressing observed and modeled cloud property histograms onto local temperature in middle to high southern latitudes. In this region, all CMIP5 models and observational data sets predict a negative cloud feedback, mainly ...

The real Cloud and Ubiquitous Manufacturing systems require effectiveness and permanent availability of resources, their capacity and scalability. One of the most important problems for applications management over cloud based platforms, which are expected to support eficient scalability and resources coordination following SaaS implementation model, is their interoperability. Even application ...

Despite the widely recognized prevalence of IT security risk concerns in users’ Cloud adoption, little is understood about how Cloud providers assess IT security risks and in what ways potential disagreements among providers and potential users on the IT security risks of Cloud services affect users’ adoption intentions. Drawing on perceptual congruence research and risk perception theory, our ...

We summarize Session F of the ECLOUD’04 workshop. This session was dedicated to beam instabilities driven by electron cloud. Specifically, we discuss the principal observations of electron-cloud instabilities, analytical models, simulation codes and the next steps that need to be taken to arrive at a predictive theory.

Large amounts of chlorine released in a few minutes from pressurized liquefied storage such as a railcar may form a dense two-phase (gas plus small liquid aerosol drops) cloud at ground level. The time duration of release from the storage tank could be as small as a few seconds for a large hole with diameter exceeding 20 or 30 cm. But even if the release from the tank occurs in a few seconds, a...

Cloud computing platforms can (in theory) scale infinitely, with the addition of more hardware units bringing more resources to the system. However, despite the many benefits of cloud architecture, the effect of the virtualised model has broad similarities to centralised mainframe architecture – software and its data is held and managed remotely from its users, only accessible via that particul...

-Cloud Computing makes computing real as a tool and in the form of sevices.Cloud Computing is simply defined as a type of computing that depends on sharing computing resources rather than having local servers or personal devices to handle applications. Cloud Computing is typically a metaphor for the internet. Cloud Computing, we observe an increasing need for cloud Benchmarks, In order to asses...