Results 31 to 40 of about 24,955,494 (69)

GLC_FCS30: global land-cover product with fine classification system at 30 m using time-series Landsat imagery

open access: yesEarth System Science Data, 2020
. Over past decades, a lot of global land-cover products have been released; however, these still lack a global land-cover map with a fine classification system and spatial resolution simultaneously.
Xiao Zhang   +5 more
semanticscholar   +1 more source

Symbolic Computation and Construction of Soliton-like Solutions of some Nonlinear Evolution Equations

open access: yes, 2003
Based on the computerized symbolic computation system Maple and a Riccati equation, a new generalized Riccati equation expansion method for constructing non-travelling waves and coefficient functions’ soliton-like solutions of nonlinear evolution ...
Hengnong Xuan, B. Lia
semanticscholar   +1 more source

Indicators of Global Climate Change 2023: annual update of key indicators of the state of the climate system and human influence

open access: yesEarth System Science Data
. Intergovernmental Panel on Climate Change (IPCC) assessments are the trusted source of scientific evidence for climate negotiations taking place under the United Nations Framework Convention on Climate Change (UNFCCC).
P. Forster   +58 more
semanticscholar   +1 more source

GLC_FCS30D: the first global 30 m land-cover dynamics monitoring product with a fine classification system for the period from 1985 to 2022 generated using dense-time-series Landsat imagery and the continuous change-detection method

open access: yesEarth System Science Data
. Land-cover change has been identified as an important cause or driving force of global climate change and is a significant research topic. Over the past few decades, global land-cover mapping has progressed; however, long-time-series global land-cover ...
Xiao Zhang   +6 more
semanticscholar   +1 more source

Stationary coupled KdV systems and their St\"ackel representations

open access: yes
In this article we investigate stationary cKdV systems and prove that every $N$-field stationary cKdV system can be written, after a careful reparametrization of jet variables, as a classical separable St\"ackel system on $N+1$ different ways.
Szablikowski, Błażej M.   +2 more
core  

Whitham modulation theory for the Kadomtsev- Petviashvili equation. [PDF]

open access: yesProc Math Phys Eng Sci, 2017
Ablowitz MJ, Biondini G, Wang Q.
europepmc   +1 more source

Ring-Shaped Linear Waves and Solitons in a Square Lattice of Acoustic Waveguides

open access: yes
We study the propagation of both low- and high-amplitude ring-shaped sound waves in a 2D square lattice of acoustic waveguides with Helmholtz resonators.
Richoux, O.   +3 more
core  

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