Petroleum extraction, transportation, and consumption in the marine environment contribute to a large portion of anthropogenic oil spills into ocean. While previous research focuses more on spill accidents from tankers or offshore platforms, there are few systematic records occasional regional spills. In this study, optical imagery Landsat-8 OLI was used detect slicks ocean surface through spat...

Abstract The pigment chlorophyll-a (Chl-a) is used to evaluate aquatic ecological health. Using remote sensing techniques estimate this and spatially mapping its distribution becomes essential for measuring assessing water quality in coastal areas. Nha Trang Bay famous not only scenery but also biodiversity values, especially the existence of coral reefs. In study, Landsat-8 OLI was taken on Ju...

Remote monitoring of trophic state for inland waters is a hotspot water quality studies worldwide. However, the complex optical properties limit potential algorithms. This research aims to develop an algorithm estimate in waters. First, turbid index was applied determination types on each pixel, and bodies are divided into two categories: algae-dominated (Type I) II). The algal biomass (ABI) th...

During general anesthesia, voluntary breathing is stopped and the patient needs to be ventilated. The most common and the only method that suits long-term period of anesthesia is ventilation using an endotracheal tube, which is placed in the trachea. The location of the tip of tube is critical: it should be placed, and maintained above the bifurcation. A correct position of the tube, in which b...

An image dataset from the Landsat OLI spaceborne sensor is compared with the Landsat TM in order to evaluate the excellence of the new imagery in urban landcover classification. Widely known pixel-based and object-based image analysis methods have been implemented in this work like Maximum Likelihood, Support Vector Machine, k-Nearest Neighbor, Feature Analyst and Sub-pixel. Classification resu...

We propose a modified theoretical framework based on John Dunning’s classical OLI paradigm in the international business literature to analyze Chinese firms’ fast-growing and aggressive outward foreign direct investment (OFDI). In particular, from an institutional perspective, we suggest a “state-stewardship” view to incorporate state institutions into the OLI paradigm. This paper supplements o...

O objetivo do estudo foi estimar, por meio de sensoriamento remoto (OLI/LANDSATA 8 – LS8), as concentrações clorofila-a (Cl-a) e carbono orgânico total (COT). Entre 2017 2018 foram realizadas seis coletas amostras água nos reservatórios Umari Mendubim, no semiárido nordestino, para determinação dos valores Cl-a COT. Foram calculados os coeficientes correlação entre bandas espectrais das imagens...