Earth observation missions
Hybrid solar sail and SEP propulsion for novel Earth observation missions
... In this paper we propose a pole-sitter spacecraft hybridising solar electric propulsion (SEP) and solar sailing. The intriguing concept of a hybrid propulsion spacecraft is attractive: by combining the two forms of ...
13
Hybrid solar sail and SEP propulsion for novel Earth observation missions
... In this paper we propose a pole-sitter spacecraft hybridising solar electric propulsion (SEP) and solar sailing. The intriguing concept of a hybrid propulsion spacecraft is attractive: by combining the two forms of ...
14
Payload-Mass Trends for Earth- Observation and Space-Exploration Satellites
... for Earth Observation missions are more stringent, and therefore more resource-hungry, than for Space Exploration because our knowledge of the Earth is more ...investigated. Earth ...
5
The techno-economic segment analysis of the Earth observation ecosystem
... 169 earth observation missions in orbit and 140 approved future missions, as recorded by the Committee on Earth Observation Satellites (CEOS) (CEOS, ...
60
Forest biomass retrieval approaches from earth observation in different biomes
... Landsat 5 and 7 ETM + Surface Re fl ectance (SR) imagery computed by the Landsat Ecosystem Disturbance Adaptive Processing System (LEDAPS) method (http://ledaps.nascom.nasa.gov/) (Masek et al., 2006) were used to generate ...
17
Arctic Mission Benefit Analysis: impact of sea ice thickness, freeboard, and snow depth products on sea ice forecast performance
... the observation impact (added value) of dif- ferent Earth observation (EO) products in terms of the uncer- tainty reduction in a 4-week forecast of sea ice volume (SIV) and snow volume (SNV) for ...
26
Spatial Big Data Analytics: Classification Techniques for Earth Observation Imagery
... Conditional autoregressive model (CAR): In the conditional autoregressive model [29], the spatial autocorrelation effect is explicitly modeled by the conditional probability of the observation of a location given ...
135
CITIZEN SCIENCE FOR EARTH OBSERVATION: APPLICATIONS IN ENVIRONMENTAL MONITORING AND DISASTER RESPONSE
... In the pilot we are studying how citizen observations can be used in combination with Earth observation data, i.e. to validate or complement satellite-based products. We have started the study by comparing ...
6
Recommendations to the Ministerial Conference of ESA Member States - 25-26 November 2008
... space missions to explore the solar system up to the most distant ...of missions has been selected for a competitive assessment phase, including five missions at the “M” level (300 M€ envelope) and ...
16
Priorities to advance monitoring of ecosystem services using Earth observation
... Essential Biodiversity Variables (EBVs): derived measurements required to study, report and manage biodiversity status and trends, comprising six classes (Genetic composition, Species populations, Species traits, ...
40
Uncertainty information in climate data records from Earth observation
... In addition to the extended validation described above, triple collocation techniques (McColl et al., 2014) have been used to assess uncertainty estimates in near-surface wind speed (Stoffelen, 1998), soil moisture ...
17
Lesson 13 - The International Space Station.doc
... Earth's atmosphere and magnetic field help protect us from the Sun's ______________. Low Earth orbit is within the magnetic field, so missions there are somewhat protected from radiation. But astronauts ...
5
Search for Extreme Energy Cosmic Rays with the TUS orbital telescope and comparison with ESAF
... of observation of all the conceived so far space-based missions relies on the detection of UV light emitted by isotropic fluorescence of atmospheric ni- trogen excited by the EASs in the Earth’s atmosphere ...
6
MONITORING OF AIR POLLUTION USING EARTH OBSERVATION GROUND STATIONS AND GIS IN TRNC
... using earth observation ground station and GIS in Turkish Republic of Northern Cyprus, TRNC is becoming highly polluted, due to the high emission of pollutant like; particulate matter, sulfuric oxide, ...
17
Novel solar sail mission concepts for high-latitude earth and lunar observation
... increasing the solar sail characteristic acceleration to a maximum value of a 0,EM 0.1. The value for of -35.26 deg is selected because it gives the maximum out-of-plane acceleration component [2] and the minus sign ...
35
Link Quality Evaluation and Maintaining Reliable Radio Link for Earth Observation System
... small Earth observation satellite and its ground station with International Telecommunication Union‘s recommendations taken into ...small Earth observation satellite Telemetry ...
5
Analysis of the Earth Movement over the Equatorial Region by using the Ionosonde Observation Data
... This paper focuses on the ionospheric variability observed in the F2 layer during a seismic event at equatorial region. The analysis using critical frequency, fc, shows that there is relationship between the ionospheric ...
10
Remote automated multi generational growth and observation of an animal in low Earth orbit
... low Earth orbit for six ...interplanetary missions and could be used to study cost-effectively the effects of such missions on these biological processes and the efficacy of new life support systems ...
5
Analysis of the earth movement over the equatorial region by using the ionosonde observation data
... This paper focuses on the ionospheric variability observed in the F2 layer during a seismic event at equatorial region. The analysis using critical frequency, fc, shows that there is relationship between the ionospheric ...
7
Multiple-spacecraft transfers to Sun-Earth distant retrograde orbits for asteroid detection missions
... In this article we extend the study by assessing the feasibility of a multi-spacecraft constellation to be placed on a Distant Retrograde Orbit. PHAs monitoring capabilities are measured in terms of the coverage area ...
16