The Colorado River’s integration off the Colorado Plateau remains a classic mystery in geology, despite its pivotal role in the cutting of Grand Canyon and the region’s landscape evolution. The upper paleodrainage apparently reached the southern plateau in the Miocene, and recent work supports the longstanding idea that the river was superimposed over the Kaibab uplift by this time. Once off th...

In recent years, a growing number of archaeologists have explored the potential of expanding Lévi-Strauss’s concept of house societies to better understand specific archaeological contexts. Looking specifically at the classificatory distinction between “great houses” and “small houses” within Chaco Canyon (A.D. 850–1180), I suggest this theoretical model might yield new insights with regard to ...

Introduction and methods Marine litter density, distribution potential sources, the impact on canyon seafloor habitats were investigated in Motril, Carchuna Calahonda canyons, located along northern margin of Alboran Sea. During ALSSOMAR-S2S oceanographic survey carried out 2019, floor imagery was collected by a Remotely Operated Vehicle 5 km Motril Canyon, 10 3 together with 41 surficial sedim...

Synchronous interaction between bottom currents and turbidity has been reported often in channel–levée systems where the thickness of exceeds that levées. Such interplay along-slope down-slope sedimentary processes is one mechanisms by which ‘mixed turbidite–contourite systems’ can originate. However, flow over large areas seafloor, including continental slopes characterized deeply incised subm...

Pseudo–simultaneous measurements for vertical variation of coarse, fine and ultra fine particles in an urban street canyon. Atmospheric Environment 42, 4304–4319. Abstract 1 The vertical variation of particle number distributions and concentrations in a street 2 canyon is the result of the competing influences of meteorology, traffic and transformation 3 processes overall and for various partic...

Shelf-to-basin sediment transport during storms was studied at the southwestern end of the Gulf of Lions from November 2003 to March 2004. Waves, near-bottom currents, temperature and sediment fluxes were measured on the inner shelf at 28-m depth, in the Cap de Creus submarine canyon head at 300-m depth and in the northwestern Mediterranean basin at 2350-m depth. This paper is a synthesis of re...

The vehicular flow in the urban street canyon is considered. The classical field description is used in the modelling of the vehicular movement and of gaseous mixture in generic urban street canyon. The dynamical variables include vehicular densities, velocities, and emissivities: of pollutants, heat and exhaust gases, as well as standard mixture components' variables: densities, velocities, te...

Tekst stanowi próbę pomyślenia instytucji stanu wyjątkowego w ramach logiki monistycznej, która by nie naruszała podstaw demokracji liberalnej: jako instrumentu prawnego do zwalczenia zagrożenia, przed którym stoi państwo, przy użyciu narzędzi z porządku norm sprzed wystąpienia sytuacji ekstraordynaryjnej. Autor analizuje trzy możliwości takiej logiki, wywodząc ją koncepcji m. in. libertarianiz...

Random forest, support vector machine, logistic regression, neural networks and k-nearest neighbor (lazar) algorithms, were applied to a new Salmonella mutagenicity dataset with 8,290 unique chemical structures utilizing MolPrint2D Chemistry Development Kit (CDK) descriptors. Crossvalidation accuracies of all investigated models ranged from 80 85% which is comparable the interlaboratory variabi...