Soil Spectral Libraries for monitoring & reporting on Sustainable Development Goal indicators in Northern GreeceNikolaos L. Tsakiridis, Nikolaos Tziolas, George Galanis, Eyal Ben-Dor, George C. Zalidis

Prof. George ZalidisAristotle University of Thessaloniki, School of AgricultureDirector of the Laboratory of Applied Soil ScienceDirector of the Laboratory of Remote Sensing and GISScientific Coordinator of i-BEC

ARISTOTLE UNIVERSITY OF

THESSALONIKIINTERBALKAN

ENVIRONMENT CENTER

We are a non-profit, mission oriented international organization linking local and regional communities.

WHO WE ARE

▸ Utilize Earth Observation Data

▸ Protect Natural Resources applying NEXUS Approach

▸ Stakeholer Engagement

▸ RD of new Products & Sevices

OUR MISSION

“

Advocate

DeliverEngage

i-BEC is a Participating Organisation of

Link the community of users

Not just data but also how these data can be used to address key questions

Promote science and transfer of know-how

GEO KNOWLEDGE BASE DEVELOPMENT ACTLOCAL,

THINKGLOBAL

CONCRETE & SUSTAINABLE IMPACT TO GEOGLAM

The Role of SOC

▸ Determine ecosystem and agro-ecosystem function, influencing soil fertility, water holding capacity

▸ Indicator of overall soil quality associated with nutrient cycling and its interaction with climate change

▸ Impact on the productivity of vegetation and in agricultural yields

OVERALL METHODOLOGY

Platform Tier Knowledge Tier Data Tier

SOCIETAL BENEFIT

AREAS

SAMPLING AREA - THE NESTOS RIVER DELTAData Tier

BUILDING THE GREEK SSL

▸ 474 Soil Samples

▸ Chemical Analysis of SOC

▸ 350 - 2500 nm - Sampling Output of 1nm

▸ Standard Protocol[V. Kopačková and E. Ben-Dor, 2016]

Data Tier

MACHINE LEARNING

5-FOLD CROSS-VALIDATION

BOOSTED REGRESSION TREES

SIGNIFICANT & ROBUST RESULTS

Scatter Plot of the Best ModelPr

edic

ted

SO

C

Real SOC

Platform Tier

SDG GOAL BASED APPROACH

Knowledge Tier

DevelopInnovative Solutionsfor & with end-users

Mobile Soil Sensor System [vis-NIR Spectrometer]

Field Diagnostic ToolboxComplete Set of

Measurements in the field Precise – Instant – Low cost

Working Together with selected GEO initiatives and H2020 projects

FUTURE WORK

BUILDING A REGIONAL LIBRARY IN SOUTH-EASTERN EUROPE, MIDDLE EAST AND NORTH AFRICA

Member of the Advisory Board

▸ Building of a Regional Standardized SSL [Task 4.2]

▸ Part of the Data Hub of GEO-CRADLE

▸ Open To All

www.i-BEC.org

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