Advancing sharing of in situ Earth observations for and by the community: how can GEO play a role in this complex landscape?
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| Anzahl der Teile | 44 | |
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| Lizenz | CC-Namensnennung 3.0 Deutschland: Sie dürfen das Werk bzw. den Inhalt zu jedem legalen Zweck nutzen, verändern und in unveränderter oder veränderter Form vervielfältigen, verbreiten und öffentlich zugänglich machen, sofern Sie den Namen des Autors/Rechteinhabers in der von ihm festgelegten Weise nennen. | |
| Identifikatoren | 10.5446/62424 (DOI) | |
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| Produktionsjahr | 2023 | |
| Produktionsort | Wageningen |
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00:00
Gemeinsamer SpeicherKomplex <Algebra>GeometrieComputeranimation
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GruppenkeimAggregatzustandLuenberger-Beobachter
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ElementargeometrieGruppenkeimGewicht <Ausgleichsrechnung>BenutzerfreundlichkeitProgrammverifikationCodierung <Programmierung>Produkt <Mathematik>Lokales MinimumKonditionszahlRegistrierung <Bildverarbeitung>SpeicherabzugOffene MengeDistributionenraumDefaultMereologieSpannweite <Stochastik>WasserdampftafelProgrammierungSelbst organisierendes SystemGruppenoperationDatenverwaltungInstantiierungMultiplikationsoperatorSoftwareKoordinatenAssoziativgesetzGeometrieDialektDistributionenraumElement <Gruppentheorie>Lokales MinimumAggregatzustandDefaultComputeranimation
02:53
ProgrammElementargeometrieKoordinatenVersionsverwaltungGruppenkeimAssoziativgesetzDifferenteExplorative DatenanalysePhasenumwandlungWeb SiteAutomatische HandlungsplanungDialektEinsDomain <Netzwerk>Gebäude <Mathematik>Luenberger-BeobachterGeometrieComputeranimation
03:41
GruppenkeimElementargeometrieEinflussgrößeArithmetische FolgeTermProgrammierumgebungDatenfeldSatellitensystemLuenberger-BeobachterGeometrieComputeranimation
04:19
SatellitensystemPunktwolkeSystemplattformProzess <Informatik>GruppenkeimElementargeometrieGEDCOMSystemaufrufSondierungFokalpunktDienst <Informatik>DatenverwaltungFokalpunktGemeinsamer SpeicherDienst <Informatik>ProgrammierumgebungProgrammierungGeometrieAggregatzustandBitDatenverwaltungSatellitensystemBefehl <Informatik>Domain <Netzwerk>ExpertensystemGüte der AnpassungPunktwolkeSpezifisches VolumenArithmetische FolgeSystemplattformInternetworkingFunktion <Mathematik>Gesetz <Physik>BandmatrixOffene MengeOpen SourceComputeranimation
06:40
Workstation <Musikinstrument>Interface <Schaltung>Offene MengeAbfrageÜberlagerung <Mathematik>Projektive EbeneDateiformatDifferenteProgrammierungWeb SiteMetadatenSampler <Musikinstrument>Physikalisches SystemTypentheorieSatellitensystemGeometrieTeilmengeKonditionszahlVerschlingungLuenberger-BeobachterQuellcodeOffene MengeValiditätTaskFrequenzZentrische StreckungInstantiierungFlächeninhaltDialektAttributierte GrammatikSerielle SchnittstelleZeitreihenanalysePhysikalische TheorieShape <Informatik>Computeranimation
09:48
ThreadDateiformatServerEinflussgrößeGewicht <Ausgleichsrechnung>GeometrieDateiformatZentrische StreckungEnergiedichteHarmonische AnalyseSoftwareEinflussgrößeWeb ServicesVerteilungsfunktionBenutzeroberflächePortal <Internet>GraphfärbungMAPBenutzerbeteiligungDienst <Informatik>BildverstehenComputeranimation
11:29
ElementargeometrieWeb logOffene MengeZeitbereichService providerSystemaufrufExpertensystemGeometrieProgrammierungEinsComputeranimation
12:12
MatrizenrechnungFunktion <Mathematik>Kontextbezogenes SystemDatenverwaltungOffene MengeHardwareSoftwareLeistungsbewertungZwölfDivergente ReiheLeistungsbewertungGeometrieOffene MengeAutomatische HandlungsplanungDivergente ReiheGruppenoperationProjektive EbeneSoftwareMultiplikationsoperatorKontextbezogenes SystemFunktion <Mathematik>DatenverwaltungMatrizenrechnungBenutzerfreundlichkeitComputeranimation
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Offene MengeSoftwareHardwareDreizehnLeistungsbewertungZwölfDivergente ReiheVollständiger VerbandPunktGeometrieOffene MengeSoftwareEreignishorizontKartesische KoordinatenGruppenoperationMinkowski-MetrikComputeranimation
15:13
GruppenkeimElementargeometrieComputeranimation
15:33
EDV-BeratungDifferenteProgrammierungWorkstation <Musikinstrument>WiderspruchsfreiheitVerschlingungSoftwareMereologieBesprechung/Interview
16:36
FokalpunktKontextbezogenes SystemGeometrieVariableLokales MinimumZentralisatorSatellitensystemStandardabweichungMinkowski-MetrikInformationsqualitätValiditätInstantiierungTypentheorieData MiningMultiplikationsoperatorSoftwareDatenbankBesprechung/Interview
Transkript: Englisch(automatisch erzeugt)
00:00
Thanks again for the invitation, really appreciate the opportunity to showcase that very complex landscape in geo for what concerns in situ data sharing and what can we do, what have
00:23
we done and where are we going. So why do I say complex landscape? Well mainly because as you know in situ relates to many domains, many formats, many institutions and also it's a complex landscape within geo because what geo is made of is an international partnership aiming at coordinating
00:46
earth observations and promoting their sustainability. We are made of 114 member states plus the European Commission which you can see here but we also have 144 participating
01:02
organizations which are UN agencies, regional coordination networks for data for instance and other international organizations like the open geospatial consortium and so on. Very wide range of actors that take part in geo plus also since recent, since a few
01:24
years we opened the geo memberships to what we call associates which are either private commercial sector entities or NGOs like the water youth networks. On top of this we have a regional nodes for the Americas, for Africa, for Asia, Oceania and for Europe which also aim to have
01:46
a stronger presence within our member states and coordinate for transboundary issues and so on. So as you can see this is a very flexible and dynamic organization and we are all based on voluntary efforts so this means people bring what they want and what is okay with their agenda and we don't
02:06
have binding agreements with them and it's not something that we'll go into so all based on voluntary efforts. Since geo was established almost 20 years ago we have been advocating for
02:22
open data and we have our data management principles which you can see here and we also have our data sharing principles which go beyond the fair principle in a few regards mainly because we advocate for open data by default. We advocate for open data being released
02:44
with minimum time delay and at no cost other than the reproduction or distribution. How do we, well, what do we do? Our action is focused on our work program which is a three-year plan where our membership, so countries, institutions, associates and regional geos,
03:04
actually come together to use advocate and promote the use of earth's observations in different domains that you can see listed here. Some of them are well established and they have mandates from UN bodies. Other ones are more, let's say, exploratory activities and community
03:22
building activities. You can see all of it on our website and it's currently just started for the new phase until 2025 and this is the main instrument through which we realize our mission and accomplish our mission. We are called geo so what does observation stand for?
03:43
Usually people tend to think earth observations are just satellite imagery but it's way broader than that. It encompasses in situ measurements from automated sensors but also ground truth data collected either by also by sensors but also can be people actually doing field campaigns, citizen
04:02
science and also if we take the broader term can be like UAVs and the other things that we broader term can be like UAVs and any data that is measuring something in its immediate environment to the sensor. If we look back since geo was implemented 20 years ago, huge progress has
04:30
been made for satellite data because you have seen the opening of the Landsat archive, the Copernicus program which made available huge volumes of data. This is also due to
04:44
contributions from geo. We have seen a lot of open source tools that allow to actually process this data. Often from our work program activities we see a lot of that but of course from our member states as well. Finally, more recently more and more platforms and cloud environments are
05:04
available for users that can then use them to process those huge volumes of data and this is particularly interesting for countries that do not have access to a very high bandwidth internet to process those terabytes of data. Sorry now remains the question of in situ data and one
05:23
could argue that this is not something that has made a lot of progress although I would still think it's a complex landscape and there is some nuance to this statement which I will try to explain a bit more. So what did we do in geo to actually advance on that topic? In the last two
05:46
years what we did is to actually engage with the activities from the work program that gather leading world experts in all of those domains to actually understand what is the current landscape of their practices, the data needs, what do they do with their output and services and how we can
06:06
help them to actually be more compliant to the geo data sharing and data management principles. So we consulted with 28 work program activities and the focus was on in situ data, geo data sharing,
06:20
data management principles, the law and policy aspects and the underlying infrastructure including the geos platform and the geo knowledgeable and I will speak a bit more about the good practices and good examples that actually related to in situ data have been identified and we're trying to promote now. The first one and I mentioned geomountains in my question before,
06:45
they did a huge task to actually inventory all the observational sites for in situ observational sites in the world mountain areas. So this includes a compilation of the sites metadata and if possible the data time series below underlying it. They update this periodically
07:07
and this also helps to draw a picture of the landscape because of course in mountain areas remote sensing imagery has its limitations because of the terrain and the quickly evolving
07:22
conditions so we need in situ data there and the lessons learned in that well yes you can access the sites metadata but it's very limited and the data itself is very hard to access even though some of the for instance the sites they're listed under the world meteorological observation site
07:43
and they're supposed to be open for hydrological purposes for instance but often they are not and it still relies on the country's effort to share it better although they are in theory they agreed to share the data. So yeah you could wonder how many of what is listed here
08:02
actually provide open data to anybody. Another interesting example is the world cereal population of data of open data for agriculture monitoring especially crop type and cropland and as you can see here this is a compilation of data that was found for the period 2017 onwards
08:27
that were already available with a cc by license and you can see of course huge gaps in certain regions but the problem also is that when you compile a hundred different sources you
08:42
have a hundred different formats different attributes different ways of actually numbering or even labeling what you observe so what they did in the under the the geoglam initiative in geo with this world serial program is to actually harmonize everything so that it's
09:02
to a certain level comparable and understandable on the global scale to actually calibrate validate satellite imagery. I put the link to the compiled data but it's still under the well it's a hundred different zip shape files so now efforts go towards oh let's can we build
09:23
the website or a system that can allow users to query the data subsets to a certain region or certain attribute and how can we ensure sustainability because the project of course ends after three years and this was also mentioned before how can we under the geo umbrella make sure
09:42
that these contributing projects can actually have a higher sustainability. Final example from the geo vision for energy so geo vendor initiative is to actually share in situ measurements for solar irradiance on the global scale so from multiple networks that you can see
10:02
represented by different colors on the map and what they did is to engage with those networks that currently only yield csv format data to actually make it more user-friendly for eo practitioners with a harmonized net cdf format and they built a web service on top of that to
10:25
make the data available so that it's available through a web portal it's also available through ogc web services and it's compliant to the geo and fair principle what is interesting here is that it's a very simple exercise on the technical level because it's just transforming csv to net cdf and
10:45
build a small user interface what is difficult is to actually link with those networks convince them to share the data and make it available for other communities than the primary purpose why the data is collected because these people and i quote the guys from geo vendor
11:03
they're not eo practitioners and they don't really understand why you have to to transfer it to net cdf and what is the value so this is also a huge work and it could be applied in any other disciplines just to to transform it to net cdf from any format like csv and you have
11:23
ogc compliant web services possibilities to be built up on that other questions that we found and we answer during after those calls is often people from the work program they're technical expert but they don't know what license they can apply to the data or to the let's say their
11:41
products in general because they don't know which ones are actually compliant with the geo data sharing principles so short answer is those three licenses you can find more about the document the supporting document that we wrote it's licensing guidance for the geo community including our member states so we strongly advise to use either one of those licenses so the the restrictions are
12:07
way less than than what they're currently are another question that we try to answer is people from the community actually say well i hear about fair all the time i barely know about the geo
12:21
principle how can i assess my practices because often i'm asked to have a data management plan for my projects and how can i make sure that i know where if i'm compliant to fair and geo and so in the context of the e-shape project there was a self-assessment tool that was developed and
12:42
it's basically a questionnaire that you fill and it asks about the question related to fair and geo principles and it yields out some matrix assessing your practices and the output is a world document with a pre-paired data management plan currently it's excel to world so we are going
13:03
to work and make it in more user-friendly design so that it's easily accessible to everybody and also another example of community outreach and awareness raising that we did last year we did what we call dialogue series to actually speak about each of the data management and the data
13:23
sharing principles i showed before so two hours session on each of them and this year we just started season two which is just not not just open data but it's the transition to open knowledge so not just the data but the software what what does reproducible research means open education and
13:44
evaluation how to make it more inclusive and how in geo can we make sure that we transition to to open knowledge your yeah we started three weeks ago the next one is next week so please make sure to do sorry to register because this is very valuable and if you think you you're interested
14:04
to contribute also please reach out to me there is always room to to include more people to discuss final point and it relates to the transition between open data to open knowledge we're organizing a workshop next month in geneva in person to actually discuss those so we'll have
14:27
sessions about open data space data in situ data but also how do we implement open knowledge principles and how can we put those in practice we'll show the the geo knowledge hub advancements
14:41
with more than 100 different applications that are already in it and we'll we'll have also some hands-on session for applications tools and software so you're more than welcome to join to join it's going to be the first event in four years on the technical side that we organize in
15:03
geo because of the pandemic and we have a very enthusiastic community and we're looking forward to also seeing you there let me know if you have any questions and with that that's it thank you very much and glad to take any any questions thanks
15:33
so this workshop we organized it following this consultation with the community because this was seen as something missing currently i just put the link in the chat and we have quite a
15:44
a definite agenda so but i'm happy to discuss with you maybe offline if you think you could contribute i'm sure we can find ways to to accommodate we'll have a couple of familiar names i'm sure you will see in in the in the program so yeah let me know regarding all these
16:05
networks of in situ that i think one of the biggest problems that we are facing also is the data which which peter before presented is let's say the data consistency between all these different stations different sensors and i think a big part it's not i mean the data access that you mentioned is really a big problem as well like getting access to the data and
16:24
harmonizing it but the other one is really also the data itself and how to homogenize let's say the real data itself any comments on that how you tackle these issues yeah i think we could speak for quite a long time about that but uh we it depends what type of data and what you want to
16:44
do with it in the context of geo for instance we have an activity for land degradation neutrality in geo which actually has a mandate from the unccd to report on sdg 15.3.1 and these uh in those discussions one of the questions was what data do we use what minimum data quality uh
17:04
standards do we set so that it's a common base for the for the member countries to actually report so this is maybe you know top down approach with centralized idea on what do we want to do with the data and then it depends because i i chatted with the international soil moisture
17:24
network last week in vienna for the egu and their focus is to actually link with the space agencies and the committee on earth observing satellites to be the official database for calibration validation for soil moisture for the for the smos mission so this is also a driving requirement
17:43
and other examples could include the essential climate variables for g cos and you have the same for geo glam for essential agriculture variables but it would depend uh per discipline because usually what we see is oh yeah i'm harmonizing data for my purpose but i don't
18:01
really care what others are doing and we could use a standard if you if people use mine so yeah that's also a tricky question