People, Friends, Kinsfolk, Families, Communities
Beyond Disaster Maps — Harnessing Geospatial Intelligence for Systemic Community Sustainability
TECHNOLOGY serves people, communities. We draws upon the most incredible technology mankind has created over the skies and serve communities.
Partners in Sustainable Agriculture and Disaster Resilience in Southeast Asia
Petra Geospace is a dedicated Community Social Enterprise committed to driving sustainable development across Southeast Asia. With over 18 years of experience in disaster response through our partnership with the International Disaster Response Network (IDRN), we have worked in areas such as: mapping rapid transient flow floods in Malaysia and Thailand, as well as urban disaster mitigation using NASA SEDAC open-domain data. These efforts underscore our expertise in leveraging geospatial technology for resilience-building.
As we look to the future, Petra Geospace is expanding its work to agricultural innovation, aiming to help transform farming practices across ASEAN nations. Our platform integrates Satellite + GIS technology with crop data analytics tailored specifically for smallholder farmers in ASEAN, starting from countries like Thailand, Laos, and Cambodia. By addressing key challenges such as financial inclusion and productivity optimization, we empower farmers with actionable insights and tools to enhance their livelihoods.
Our fintech solutions provide seasonal micro-loans at an affordable low interest rate per crop season –very short term implemented by digital finance, ensuring access to vital resources for cultivation. Additionally, we offer comprehensive services including crop analysis, in-season crop satellite analysed cultivation guides, and decision-support systems designed for low-bandwidth environments. Our revenue model is built on loan facilitation fees, commissions on agricultural services, and subscription for high-level agencies monitoring services—ensuring both sustainability and scalability.
The work:
- The regional and global awareness, diligence to connect, in happy times, in disasters; in cultivation and in harvests. To serve the needs on the ground.
- Satellites in the skies trawl the EARTH everyday now. Loads of information and knowledge is being generated everyday that required the detailed ground pin-pointing. the convergence of events and signatures seen from the skies above. We fuse them, for the service of communities
- Doing the hard part: delivering insights from data and knowledge base. To serve the communities in cultivation, harvest, in responding to floods, fire-storms. Serving people to cooperate and collaborate for good, for peace.
PETRA GEOSPACE works with fusion of 2 domains
GIS and SATELLITE DATA
GIS Geographic Information System
A geographic information system (GIS) is a system designed to capture, store, manipulate, analyze, manage, and present all types of geographical data.
1999 GIS Lounge post by Caitlin Dempsey
GIS data characteristics:
- spatial.
- locations on the earth.
- attributes
- digitial
- Big-Data
- about things
geospatial software and tools
- spatial analysis.
- attributes analysis
- map/ geographical form
Satellite: Earth Observation
Satellite data is collection of data structured information about earth observation charateristics measurement.
The scientific percilarities of instruments can now be processed to a level that can be commonly distributed and analysed with direct reference to terresterial locations.
Technology has also advanced in timeliness, ground resolution, structured dense pixels over large geographical areas. The forms of satellite earth observation data is not massivley scalable, AI implemented analytics to provide timely, localised insights to community, national, continental knowledge into the human dimension of social, economic activities.
These two domain (GIS & Satellite data) information system an be combined with other geo-referenced socio-demographic, economic and public administration data to make indicators and analysis more relevant and targeted.
Earth observation is not new, but it is only recently that investments in satellite capabilities, open and free access to data and tools, and advances in algorithms and data processing have started to enable the widespread use of this information at scale, and beyond the specialised scientific community.
-OECD
CASE STUDY
Data of tides
11Sept2022
Zoom in, see the Data.
Phuket, Mersing, Riao-Islands Indon are high tides at 1 to 2+ meters
Malacca & Klang estuary tide is 5.3m
😱
Good thing: the sky held away the rains on 11Sept2022 in the state of Selangor, Klang Valley.🙏
CASE STUDY :
Modeling Bangkok’s Urbanization Sprawl & Earth Tipping Points
examining the catastrophic trajectory of unchecked urban expansion in the Bangkok Metropolitan Region and how localized sprawl intersects with global planetary tipping points.
the notes describes modeling framework. We ground this analysis in the IPCC’s Shared Socioeconomic Pathways—specifically contrasting low-impact sustainable pathways against SSP5, the fossil-fueled, unmitigated growth scenario.
By pairing carbon emissions projections from CarbonBrief with NASA SEDAC’s 1-kilometer downscaled urban land extent data, we project the spatial spread of concrete and infrastructure from baseline years up to 2100.
maps you will see starting on Year2000 do not just illustrate physical city growth;
they document an ecological unraveling.
Under this unrestrained trajectory, Bangkok’s sprawl completely engulfs surrounding provinces,
permanently severing vital watershed corridors,
obliterating critical delta flood buffers,
and
wiping out centuries of agrarian heritage and regional identity.
This presentation serves as an evidence-based warning:
without decisive spatial planning and systemic climate mitigation,
we are locking in regional ecological collapse.
CASE STUDY
December 2021 Flood & Rainfall Data
- Rainfall Volume: Peninsular Malaysia recorded over 360 mm to 380 mm of continuous rainfall within 24 to 48 hours (17–18 December 2021)—surpassing Selangor’s average monthly rainfall (~200 mm) in a single day and registering as a 1-in-100-year event.
- Impacted Basins: Severe catchment overflow across the Klang, Langat, and Melaka river basins, exacerbated by low-lying topography, estuary high tides, and natural/urban bottlenecks along corridors like Sungei Langat and Sungei Buah.
- Hulu Langat Village Devastation: Flash-flood surges carrying heavy mud and timber debris swept through upstream settlements along the Langat river basin. Kampung Sungai Lui (Batu 19–22), Kampung Dusun Tua, Kampung Jawa, and residential zones like Taman Sri Nanding suffered catastrophic damage, with scores of homes swept away or submerged to roof levels.
Cascading Tipping Points and the New Normal of River Disasters
The 2021 deluge across Hulu Langat and the Klang Valley was not a freak anomaly—it was a preview of a destabilized planet. As global heating breaches critical Earth system tipping points, including weakened jet stream dynamics, warmer tropical oceans supercharge atmospheric moisture, transforming standard monsoon surges into destructive tropical depressions.
Compounding this, the breach of terrestrial biosphere integrity—deforestation, watershed degradation, and river channel constrictions—strips away nature’s natural sponges. Upstream runoff in catchments like Sungei Langat now funnels directly into constrained urban bottlenecks with zero buffer capacity.
When planetary thresholds cross into self-reinforcing feedback loops, 100-year disaster return periods collapse into decade-scale recurrences. Without aggressive ecosystem restoration, climate adaptation, and hydrologically informed urban planning, communities along these vulnerable river corridors will face relentless, intensifying inundations.
PETRA GEOSPACE -the action enterprise with GIS & SatelliteData
Using GIS & Satellite Data, We serve communities facing the challenges of climate adaptation and sustainability.
News
- ELEVATED MOUNTAIN HYDROLOGY UNDER SEVERE EQUATORIAL RAINFALL – CASE STUDYDecember 2021 Flood & Rainfall Data Cascading Tipping Points and the New Normal of River Disasters The 2021 deluge across… Read more: ELEVATED MOUNTAIN HYDROLOGY UNDER SEVERE EQUATORIAL RAINFALL – CASE STUDY