Results 81 to 90 of about 18,948 (202)

Remotely Sensed Spatial Structure as an Indicator of Internal Changes of Vegetation Communities in Desert Landscapes

Remote Sensing, 2019
Desert environments are sensitive to disturbances, and their functions and processes can take many years to recover. Detecting early signs of disturbance is critical, but developing such a capability for expansive remote desert regions is challenging ...
Yuki Hamada, Katherine Szoldatits, Mark Grippo, Heidi M. Hartmann   +3 more
doaj   +1 more source

When Good Fit Goes Bad: Identifying and Minimising Overfitting in Ecological Niche Models

Journal of Biogeography, Volume 53, Issue 2, February 2026.
ABSTRACT Aim To synthesise current understanding of overfitting as a pervasive and often underdiagnosed problem in correlative ecological niche models (ENMs), and to assess its consequences for model interpretation, generalisation and transferability under contemporary data and methodological practices. Location Worldwide.
Diana Sousa‐Guedes, A. Márcia Barbosa, Salvador Arenas‐Castro, João C. Campos, Neftalí Sillero   +4 more
wiley   +1 more source

Evaluation of Spatio-Temporal Variogram Models for Mapping Xco₂ Using Satellite Observations: A Case Study in China

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2015
Greenhouse Gases Observing Satellite (GOSAT), which measures column-averaged carbon dioxide dry air mole fractions (Xco2) from space, provides new data sources to improve our understanding of carbon cycle.
Lijie Guo, Liping Lei, Zhao-Cheng Zeng, Pengfei Zou, Da Liu, Bing Zhang   +5 more
doaj   +1 more source

Detecting and Modeling Emotional Landscapes Through Deep Learning, GPT‐4.1, and 3D Spatial Interpolation

Transactions in GIS, Volume 30, Issue 1, February 2026.
ABSTRACT This research provides new directions in conceptualizing emotional geographies at the landscape level using a combination of textual deep learning (DL) and GPT‐based spatial emotion detection and interpolation using 3D empirical Bayesian kriging.
Christopher J. Anderson
wiley   +1 more source

joineR: Joint modelling of repeated measurements and time-to-event data [PDF]

, 2012
The joineR package implements methods for analysing data from longitudinal studies in which the response from each subject consists of a time-sequence of repeated measurements and a possibly censored time-toevent outcome.
Diggle, Peter, Henderson, Robin, Kolamunnage-Dona, Ruwanthi, Philipson, Pete, Sousa, Ines, Williamson, Paula   +5 more
core  

Spatial interpolation of high-frequency monitoring data

, 2009
Climate modelers generally require meteorological information on regular grids, but monitoring stations are, in practice, sited irregularly. Thus, there is a need to produce public data records that interpolate available data to a high density grid ...
Stein, Michael L.
core   +1 more source

Evaluating SWOT in the Coastal Zone: Comparisons With Tide Gauge and Airborne LiDAR in the Bristol Channel and Severn Estuary, UK

Geophysical Research Letters, Volume 53, Issue 2, 28 January 2026.
Abstract Traditional nadir altimeters struggle with coastal water surface elevation (WSE) measurement and fine‐scale river‐estuary interactions, due to land‐water signal interference and their wide inter‐track spacing. The wide‐swath Surface Water and Ocean Topography (SWOT) mission, using a new Ka‐band radar interferometer, aims to address these ...
Youtong Rong, Paul Bates, Jeff Neal, Paul Bell, Christine Gommenginger, Ian Dougal Lichtman, Christopher Banks, Francisco J. M. Calafat, Adrien Martin, Jennifer Brown, Richard Cooke, Christopher Balfour, Michela De Dominicis, Marta Payo Payo, Simon Williams, Laurent Amoudry, Stephen Chuter, Simon Neill, Jude Chisholm, Colin J. Gleason, John Kupiec, Matt Lewis   +21 more
wiley   +1 more source

Power-law behavior reveals phase transitions in landscape controls of fire regimes [PDF]

, 2011
In low-severity fire regimes of the American West and elsewhere, landscape memory of fire events is registered in fire-scarred trees, with temporal record lengths often exceeding 200 years^1-5^.
Donald McKenzie, Maureen C. Kennedy
core   +1 more source

Characterization of Aquifer Multiscale Properties by Generating Random Fractal Field with Truncated Power Variogram Model Using Karhunen–Loève Expansion

Geofluids, 2017
The traditional geostatistics to describe the spatial variation of hydrogeological properties is based on the assumption of stationarity or statistical homogeneity.
Liang Xue, Diao Li, Cheng Dai, Tongchao Nan   +3 more
doaj   +1 more source

Prediction of Common Surface Soil Properties Based on Vis-NIR Airborne and Simulated EnMAP Imaging Spectroscopy Data: Prediction Accuracy and Influence of Spatial Resolution

Remote Sensing, 2016
With the upcoming availability of the next generation of high quality orbiting hyperspectral sensors, a major step toward improved regional soil mapping and monitoring and delivery of quantitative soil maps is expected.
Andreas Steinberg, Sabine Chabrillat, Antoine Stevens, Karl Segl, Saskia Foerster   +4 more
doaj   +1 more source