The World Bank estimates the value of the global illegal timber trade at more than $10 billion per year. Tracking the timber supply chain is poor and allows widespread illegal logging, log smuggling and log laundering, it believes. Timber taken from remote forests in Asia, Russia, South America and Africa is often shipped long distances and its only certification is a paper trail that is highly...

In a fluid-saturated porous formation, an impinging seismic wave induces fluid motion. The motion of fluid relative to the rock frame generates an electric streaming current. This current produces electric and magnetic fields, which are called seismoelectric and seismomagnetic fields, respectively. When there is a fracture or a discontinuity, a radiating electromagnetic wave is also generated, ...

Physical Layer Detection of Hardware Keyloggers

The development of satellite-derived datasets has greatly facilitated large-scale ecological studies, as in situ observations are spatially sparse and expensive undertakings. We tested the efficacy of using satellite sea surface temperature (SST) collected by NASA’s Moderate Resolution Imaging Spectroradiometer (MODIS) and local water temperature collected from NOAA buoys and onshore stations t...

Logging is a particular storage semantic involving speciic storage mechanisms, e.g. nding the log end or sequencing through a log. This paper presents the main logging techniques issues through a study of four existing logging systems implemented as independent storage systems: Clio, Camelot DLF, Ki t L o g and Sprite LFS. It aims to provide a clear view of problems and actual solutions.

Secondary converted waves from receiver functions are highly sensitive to physical properties below the Earth's surface. When modeled properly, waveforms of offer direct constraints on impedance contrast, depth, and P-to-S velocity ratio pertaining sedimentary, crustal mantle interfaces. In this study we introduce a nonlinear waveform inversion algorithm that matches first 5 s recorded in Alber...

Logging contract systems are in need of change—they are leading to environmentally destructive exploitation and poor returns to landowners. The reaction has been to ban logging, thus giving subsidies to domestic timber processing industries. Export taxes are an inefficient and inequitable means of timber revenue distribution. The logging contract needs to be changed to allow landowners and gove...

Nuclear logging is one of most important logging services provided by many oil service companies. The main parameters of interest are formation porosity, bulk density, and natural radiation. Other services are also provided from using complex nuclear logging tools, such as formation lithology/mineralogy, etc. Some parameters can be measured by using neutron logging tools and some can only be me...

Logging activities within the forestry sector commonly take several seasons for each region. Throughout each season, the workers directly involved within the logging activities are hosted at an accommodation close to the current logging location. However, the next cities or villages are usually far away. A common solution to this problem is the construction of logging camps that contain the com...

In the recovery of failed processes in a distributed program, causal logging schemes offer several benefits. These benefits include no rollback of unfailedprocesses and simple approaches to output commit. Unfortunately, previous approaches to the recovery of multiple simultaneous failures require that the distributed execution be blocked or that recovering processes coordinate. The latter requi...