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Remote Sensing, Volume 15, Issue 2

January-2 2023 - 254 articles

Cover Story: Satellite altimetry has been providing a continuous record of measurements since 1992. However, Sentinel‐6 now provides Synthetic Aperture Radar processing and improves the along‐track resolution from a few kilometres to about 300 metres. This means a major leap towards higher frequencies of the ocean spectrum, which means reconciling conventional and SAR altimetry. To that end, this study uses the Sentinel‐6/Jason‐3 tandem flight to compare simultaneous Internal Solitary Wave measurements between SAR and conventional altimetry. A new and striking feature is found when comparing Sentinel‐6 and Jason‐3, in which backscatter are in anti-phase. These intriguing results are discussed in light of the intrinsically different acquisition geometries of SAR and conventional altimeters as well as possible implications thereof. View this paper
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Articles (254)

  • Article
  • Open Access
30 Citations
4,161 Views
16 Pages

16 January 2023

Knowledge of tree size is of great importance for the precision management of a hazelnut orchard. In fact, it has been shown that site-specific crop management allows for the best possible management and efficiency of the use of inputs. Generally, me...

  • Article
  • Open Access
15 Citations
4,712 Views
18 Pages

16 January 2023

In recent years, high-altitude infrasound sensing has become more prolific, demonstrating an enormous value especially when utilized over regions inaccessible to traditional ground-based sensing. Similar to ground-based infrasound detectors, airborne...

  • Article
  • Open Access
9 Citations
3,757 Views
24 Pages

Ecosystem Service Synergies Promote Ecological Tea Gardens: A Case Study in Fuzhou, China

  • Chunyi Wang,
  • Mingyue Zhao,
  • Yinlong Xu,
  • Yuncheng Zhao and
  • Xiao Zhang

16 January 2023

Exploring the trade-off/synergy among ecosystem services (ESs) of agroecosystems could provide effective support for improving agricultural resilience for sustainable development. The construction of ecological tea gardens is emerging, aims to achiev...

  • Article
  • Open Access
163 Citations
19,628 Views
17 Pages

Deep Object Detection of Crop Weeds: Performance of YOLOv7 on a Real Case Dataset from UAV Images

  • Ignazio Gallo,
  • Anwar Ur Rehman,
  • Ramin Heidarian Dehkordi,
  • Nicola Landro,
  • Riccardo La Grassa and
  • Mirco Boschetti

16 January 2023

Weeds are a crucial threat to agriculture, and in order to preserve crop productivity, spreading agrochemicals is a common practice with a potential negative impact on the environment. Methods that can support intelligent application are needed. Ther...

  • Article
  • Open Access
17 Citations
5,690 Views
23 Pages

16 January 2023

Data in the form of images are now generated at an unprecedented rate. A case in point is remote sensing images (RSI), now available in large-scale RSI archives, which have attracted a considerable amount of research on image classification within th...

  • Article
  • Open Access
12 Citations
3,916 Views
22 Pages

16 January 2023

When a large-scale flood disaster occurs, it is important to identify the flood areas in a short time in order to effectively support the affected areas afterwards. Synthetic Aperture Radar (SAR) is promising for flood detection. A number of change d...

  • Article
  • Open Access
16 Citations
3,145 Views
22 Pages

A Geometric Multigrid Method for 3D Magnetotelluric Forward Modeling Using Finite-Element Method

  • Xianyang Huang,
  • Changchun Yin,
  • Luyuan Wang,
  • Yunhe Liu,
  • Bo Zhang,
  • Xiuyan Ren,
  • Yang Su,
  • Jun Li and
  • Hui Chen

16 January 2023

The traditional three-dimensional (3D) magnetotelluric (MT) forward modeling using Krylov subspace algorithms has the problem of low modeling efficiency. To improve the computational efficiency of 3D MT forward modeling, we present a novel geometric...

  • Article
  • Open Access
1 Citations
2,980 Views
19 Pages

16 January 2023

Automatic landslide classification based on digital elevation models has become a powerful complementary tool to field mapping. Many studies focus on the automatic classification of landslides’ geomorphological features, such as their steep mai...

  • Communication
  • Open Access
2 Citations
2,508 Views
12 Pages

16 January 2023

In image-based three-dimensional (3D) reconstruction, texture-mapping techniques can give the model realistic textures. When the geometric surface in some regions is not reconstructed, such as for moving cars, powerlines, and telegraph poles, the tex...

  • Article
  • Open Access
15 Citations
4,678 Views
24 Pages

Analysis of Space-Based Observed Infrared Characteristics of Aircraft in the Air

  • Jiyuan Li,
  • Huijie Zhao,
  • Xingfa Gu,
  • Lifeng Yang,
  • Bin Bai,
  • Guorui Jia and
  • Zengren Li

16 January 2023

The space-based infrared observatory of aircraft in the air has the advantages of wide-area, full-time, and passive detection. The optical design parameters for space-based infrared sensors strongly rely on target observed radiation, but there is sti...

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Remote Sens. - ISSN 2072-4292Creative Common CC BY license