Results 21 to 30 of about 10,447 (149)

A Technical Review of Planet Smallsat Data: Practical Considerations for Processing and Using PlanetScope Imagery

open access: yesRemote Sensing, 2021
With the ability to capture daily imagery of Earth at very high spatial resolutions, commercial smallsats are emerging as a key resource for the remote sensing community.
Amy E. Frazier, Benjamin L. Hemingway
doaj   +1 more source

Planetary Temperatures in the Presence of an Inert, Nonradiative Atmosphere

open access: yesQuaestiones Geographicae, 2020
This study considers solid planets at about 300 K and an inert atmosphere having no interaction with associated radiation. Processes considered include transfer of energy from the surface skin to underlying layers depending on thermal properties ...
Nicol John Leslie
doaj   +1 more source

Environmental and economical ethics collide

open access: yesVoices in Bioethics, 2020
In January 2020, during China’s COVID-19 outbreak, the NASA Earth Observatory captured aerial images indicating significantly lower emissions of nitrogen dioxide (NO2), a major air pollutant, across China’s mainland.[1] Scientists across the globe have ...
Camille Castelyn
doaj   +1 more source

Flower production prospects and sustainability challenges in Ethiopia: A systematic review

open access: yesFrontiers in Environmental Science, 2022
The people, planet, and profit sustainability concerns emerged as a novel concept in the ethical business governance system in the floriculture industry. In Ethiopia, however, the sectoral sustainability concern is in its infant stage.
Shiferaw Mebrat   +3 more
doaj   +1 more source

Development and prospect of planetary optical remote sensing at Lenghu

open access: yes地球与行星物理论评, 2021
Planetary science is the one among the frontiers of science in the world and also is one of the key components of the development strategy of science and technology in China, which reflects the state of national natural science and the comprehensive ...
Fei He, Zhonghua Yao, Yong Wei
doaj   +1 more source

The Biomass Proxy: Unlocking Global Agricultural Monitoring through Fusion of Sentinel-1 and Sentinel-2

open access: yesRemote Sensing
The Biomass Proxy is a new cloud-free vegetation monitoring product that offers timely and analysis-ready data indicative of above-ground crop biomass dynamics at 10m spatial resolution.
Rogier Burger   +11 more
doaj   +1 more source

Planetary plasma measurement technology

open access: yes地球与行星物理论评, 2021
Plasma is a key element of planetary environment, which is critical for understanding the planetary evolution history and mechanism. The plasma environment is related to the magnetic field and atmosphere status of the planet.
Linggao Kong   +4 more
doaj   +1 more source

Integration of Remote Sensing and Field Observations in Evaluating DSSAT Model for Estimating Maize and Soybean Growth and Yield in Maryland, USA

open access: yesAgronomy, 2023
Crop models are useful for evaluating crop growth and yield at the field and regional scales, but their applications and accuracies are restricted by input data availability and quality.
Uvirkaa Akumaga   +6 more
doaj   +1 more source

The Astrobiology of Alien Worlds: Known and Unknown Forms of Life

open access: yesUniverse, 2020
Most definitions of life assume that, at a minimum, life is a physical form of matter distinct from its environment at a lower state of entropy than its surroundings, using energy from the environment for internal maintenance and activity, and capable of
Louis N. Irwin, Dirk Schulze-Makuch
doaj   +1 more source

Comparison of Machine-Learning and CASA Models for Predicting Apple Fruit Yields from Time-Series Planet Imageries

open access: yesRemote Sensing, 2021
Apple (Malus domestica Borkh. cv. “Fuji”), an important cash crop, is widely consumed around the world. Accurately predicting preharvest apple fruit yields is critical for planting policy making and agricultural management.
Xueyuan Bai   +9 more
doaj   +1 more source

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