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5 Results Found

  • Article
  • Open Access
10 Citations
3,354 Views
21 Pages

10 June 2022

The operational conditions, including temperature and gas composition, vary along the radial position in a blast furnace. Nevertheless, very few studies can be found in the literature that discuss how the reduction behavior of the ferrous burden vari...

  • Article
  • Open Access
53 Citations
6,285 Views
16 Pages

Centimetric Accuracy in Snow Depth Using Unmanned Aerial System Photogrammetry and a MultiStation

  • Francesco Avanzi,
  • Alberto Bianchi,
  • Alberto Cina,
  • Carlo De Michele,
  • Paolo Maschio,
  • Diana Pagliari,
  • Daniele Passoni,
  • Livio Pinto,
  • Marco Piras and
  • Lorenzo Rossi

16 May 2018

Performing two independent surveys in 2016 and 2017 over a flat sample plot (6700 m 2 ), we compare snow-depth measurements from Unmanned-Aerial-System (UAS) photogrammetry and from a new high-resolution laser-scanning device (MultiStation) wi...

  • Article
  • Open Access
17 Citations
6,891 Views
20 Pages

22 September 2018

The spatial distribution of fish upstream of a vertical trash rack was investigated at the hydropower plant Kirchbichl in the alpine River Inn (Tyrol, Austria). The objective of the research project “FIDET” was to establish a non-invasive...

  • Article
  • Open Access
42 Citations
9,787 Views
14 Pages

In-Situ Measurement of Soil Permittivity at Various Depths for the Calibration and Validation of Low-Frequency SAR Soil Moisture Models by Using GPR

  • Christian N. Koyama,
  • Hai Liu,
  • Kazunori Takahashi,
  • Masanobu Shimada,
  • Manabu Watanabe,
  • Tseedulam Khuut and
  • Motoyuki Sato

9 June 2017

At radar frequencies below 2 GHz, the mismatch between the 5 to 15 cm sensing depth of classical time domain reflectometry (TDR) probe soil moisture measurements and the radar penetration depth can easily lead to unreliable in situ data. Accurate qua...

  • Article
  • Open Access
5 Citations
4,096 Views
15 Pages

21 December 2021

Low-altitude unmanned aerial vehicle (UAV) photogrammetry combined with structure-from-motion (SFM) algorithms is the latest technological approach to imaging 3D stereo constructions. At present, derivative products have been widely used in landslide...