Results 71 to 80 of about 4,143 (211)

Hyperspectral Estimation Model Construction and Accuracy Comparison of Soil Organic Matter Content

智慧农业, 2020
Soil organic matter (SOM) is an important source of crop growth, its content can reflect soil fertility status. In order to realize the fast and real-time estimation of the SOM, based on hyperspectral data, a rapid estimation model of SOM content in ...
LIU Tianlin, ZHU Xicun, BAI Xueyuan, PENG Yufeng, LI Meixuan, TIAN Zhongyu, JIANG Yuanmao, YANG Guijun   +7 more
doaj   +1 more source

Long‐term benefits of burns for large mammal habitat undermined by large, severe fires in the American West

Ecography, Volume 2026, Issue 2, February 2026.
Escalating wildfire frequency and severity are altering wildland habitats worldwide. Yet investigations into fire impacts on wildlife habitat rarely extend to the macroecological scales relevant to species conservation and global change processes. We evaluate the effects of wildfire on habitat quality and selection by large mammals spanning three ...
Kirby L. Mills, Martin Leclerc, Mark A. Ditmer, Zachary L. Steel, David C. Stoner, Joseph O. Sexton, Panshi Wang, Kent R. Hersey, Darren DeBloois, Cody A. Schroeder, Kathryn A. Schoenecker, Julie K. Young, Alyson M. Andreasen, Kathleen M. Longshore, Patrick J. Jackson, Derek B. Hall, Kristin Engebretsen, Neil H. Carter   +17 more
wiley   +1 more source

Exploring the Links Between Variations in Snow Cover Area and Climatic Variables Across the Upper Indus Basin Under a Changing Climate

International Journal of Climatology, Volume 46, Issue 2, February 2026.
Google Earth Engine was utilised to assess snow cover area (SCA) across eight Upper Indus Basin (UIB) subbasins, employing ARIMA for prediction and comparing MODIS datasets using Dunn's test. Spatiotemporal changes were analysed using MK, Sen's slope, and other statistical tests.
Hafsa Muzammal, Muhammad Zaman, Jaehak Jeong, Kashif Mehmood, Syed Aftab Wajid   +4 more
wiley   +1 more source

BI or IB: Which Better Generates High Spatiotemporal Resolution NDSI by Fusing Sentinel-2A/B and MODIS Data?

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
Snow cover is a sensitive indicator of climate change. Normalized difference snow index (NDSI) acquired from optical remote sensing data is usually used for monitoring snow cover, but the existing data are limited in spatiotemporal resolution.
Linxin Dong, Haixi Zhou, Jiahui Xu, Yao Tang, Xiaolong Teng, Jingwen Ni, Bailang Yu, Jianping Wu, Yan Huang   +8 more
doaj   +1 more source

Energy Correlation in Above-Threshold Nonsequential Double Ionization at 800 nm

, 2009
We have investigated the energy correlation of the two electrons from nonsequential double ionization of helium atom in 800 nm laser fields at intensities below the recollision threshold by quantum calculations.
Liao, Qing, Lu, Peixiang
core   +1 more source

Long‐Term Snow Avalanche Trends in High Mountain Asia: Climatic Drivers and Impacts

Earth's Future, Volume 14, Issue 2, February 2026.
Abstract Devastating snow avalanches are frequent in High Mountain Asia (HMA) yet remain undocumented with climate change impact drivers poorly understood. Here we introduce the first record of 60 million avalanche deposits across 10,701 small catchments, compiled from 33 years of Landsat data from 1990 until 2022 using a snow index.
Arnaud Caiserman, Roy C. Sidle, Jakob Steiner, Evgenii Shibkov   +3 more
wiley   +1 more source

Exploring the application potential of ecoacoustic indices as a rapid assessment tool of avian species richness in southeastern pine forests

Ecological Indicators
The efficacy of using ecoacoustic indices as a rapid assessment tool of the avian community has yet to be studied in southeastern pine forests. Here we use a passive recording method and information theoretic approach to explore whether the Acoustic ...
Katherine E. Richardson, Shelby L. Sullivan, Robert T. Meyer, Lisa E. Mills, Lucas Pittman   +4 more
doaj   +1 more source

Analisis Pemanfaatan Citra Landsat 7 Untuk Pemetaan Kandungan Bahan Organik Tanah Dengan Metode Pca Dan Regresi Linier Berganda Bertahap Di Kabupaten Bangkalan [PDF]

, 2014
Information on soil organic matter (SOM) is required for consideration in planning development of sustainable land as land with high SOM score could be prioritized for field potential.
Idris, M. (Mohammad), Sabri, L. M. (L), Subiyanto, S. (Sawitri)   +2 more
core  

Evaluation of MODIS and VIIRS Cloud-Gap-Filled Snow-Cover Products for Production of an Earth Science Data Record [PDF]

MODerate resolution Imaging Spectroradiometer (MODIS) cryosphere products have been available since 2000 following the 1999 launch of the Terra MODIS and the 2002 launch of the Aqua MODIS and include global snow-cover extent (SCE) (swath, daily, and 8 ...
DiGirolamo, Nicolo E., Hall, Dorothy K., Riggs, George A., Roman, Miguel O.   +3 more
core   +1 more source

Spatiotemporal Variation of Ecological Quality in the Yinshan Mountains Detected by MODIS Remote Sensing Indicators

Ecology and Evolution, Volume 16, Issue 1, January 2026.
A comprehensive ecological index MRSEI based on MODIS was proposed. The new indicators of greenness, humidity, and dryness are more applicable to the ecological evaluation of the desertification steppes. The introduction of comprehensive salinity index can effectively reflect the issue of soil salinization. FROM‐TO vector transformation can effectively
Zhikun Zhao, Zhigang Fang, Yunlong Zhang, Chao Ma   +3 more
wiley   +1 more source