AMCI-Enviro Research Group Β· Udayana University

Applied Mathematics & Computational Intelligence for Environment

We develop advanced mathematical models and computational intelligence techniques to address critical environmental challenges β€” bridging theoretical innovation with real-world impact in sustainability, climate science, and ecological systems.

About Our Group

AMCI-Enviro is a multidisciplinary research group dedicated to advancing environmental science through the application of sophisticated mathematical and computational approaches. We believe that the complex environmental challenges facing our world require equally sophisticated analytical tools.

Our team combines expertise in applied mathematics, machine learning, optimization theory, and environmental science to develop innovative solutions for climate modeling, ecosystem management, pollution monitoring, and sustainable resource utilization. We work closely with environmental agencies, conservation organizations, and industry partners to ensure our research has meaningful real-world impact.

Through rigorous research, collaborative partnerships, and commitment to open science, we strive to contribute meaningful insights that support evidence-based environmental policy and conservation strategies.

Research Areas

Climate Modeling & Prediction

Developing advanced mathematical models and machine learning algorithms to improve climate forecasting, analyze long-term climate trends, and assess the impact of human activities on global climate systems.

  • Stochastic climate models
  • Deep learning for weather prediction
  • Carbon cycle modeling
  • Extreme weather event analysis

Ecosystem Dynamics

Applying computational intelligence to understand complex ecological interactions, predict biodiversity changes, and develop strategies for ecosystem conservation and restoration.

  • Population dynamics modeling
  • Species distribution prediction
  • Food web analysis
  • Habitat connectivity assessment

Environmental Monitoring

Creating intelligent systems for real-time environmental monitoring using sensor networks, satellite imagery, and advanced data analytics to track pollution, deforestation, and habitat degradation.

  • Remote sensing analysis
  • Air quality prediction
  • Water resource monitoring
  • Automated anomaly detection

Optimization for Sustainability

Designing optimization algorithms and decision support systems for sustainable resource management, renewable energy integration, and circular economy applications.

  • Energy system optimization
  • Waste management strategies
  • Water resource allocation
  • Supply chain sustainability

Computational Ecology

Leveraging high-performance computing and big data analytics to simulate complex ecological processes, assess conservation strategies, and predict ecosystem responses to environmental change.

  • Agent-based ecological models
  • Landscape connectivity analysis
  • Conservation prioritization
  • Invasion ecology modeling

Data-Driven Environmental Science

Applying machine learning, statistical modeling, and data mining techniques to extract meaningful insights from large environmental datasets and support evidence-based policy making.

  • Environmental time series analysis
  • Spatial pattern recognition
  • Predictive environmental modeling
  • Uncertainty quantification

Roadmap Penelitian 2026-2028

AI-Coastal Risk System

Sistem Prediksi Risiko Erosi Pesisir Berbasis Kecerdasan Buatan dan Simulasi Monte Carlo

Kerangka Pikir Riset

Kerangka pikir penelitian ini menggambarkan alur sistematis dari pengumpulan data hingga pengembangan produk akhir AI-Coastal Risk System. Pendekatan yang digunakan mengintegrasikan multiple data sources, advanced analytics, dan machine learning untuk menghasilkan sistem prediksi yang robust dan probabilistik.

Kerangka Pikir Riset

Gambar: Kerangka Pikir Riset

Tahapan Penelitian Keseluruhan

Tujuan Utama:
Tahapan kegiatan disusun untuk memastikan tercapainya akhir AI-Coastal Risk System secara bertahap selama 3 tahun, sesuai dengan peta jalan penelitian.

Tabel: Tahapan penelitian secara keseluruhan
Tahun Fokus Tahapan Komponen Utama Luaran Antara
2026
(Tahun 1)
Data Foundation and Feature Extraction
  • Pengumpulan citra satelit (Sentinel, Landsat)
  • Koreksi spasial dan temporal
  • Ekstraksi fitur (NDWI, garis pantai, vegetasi, slope)
  • Integrasi data oseanografi dan morfologi pantai
  • Analisis korelasi awal faktor erosi
Dataset spasial-temporal lengkap + baseline mapping erosi
2027
(Tahun 2)
Model Development and Stochastic Simulation
  • Pengembangan model ML (RF, XGBoost, CNN)
  • Evaluasi performa dan validasi silang
  • Integrasi Monte Carlo untuk estimasi ketidakpastian
  • Produksi peta probabilitas risiko erosi
Model AI-Monte Carlo terverifikasi
2028
(Tahun 3)
Integration, Dissemination, and Innovation Product
  • Pengembangan dashboard WebGIS interaktif
  • Implementasi skenario mitigasi
  • Pelatihan pengguna dan policy brief
Produk akhir + policy guidebook

Metodologi Tahun Pertama (2026)

Tahun 1 Penguatan Data dan Feature Extraction

Tahun pertama merupakan tahap dasar (foundational phase) yang berfokus pada pembentukan database spasial-temporal risiko erosi dan pra-pemrosesan citra satelit sebagai bahan utama untuk pelatihan model ML di tahun berikutnya.

1. Pengumpulan dan Integrasi Data
Tahapan Pengumpulan Data:
  1. Akuisisi citra multi-temporal 2015-2026
  2. Koreksi atmosferik dan geometrik citra
  3. Penyesuaian sistem koordinat dan overlay
  4. Integrasi dengan data BMKG dan BIG
2. Pra-Pemrosesan dan Ekstraksi Fitur

Langkah ini bertujuan menyiapkan variabel input (predictor features) untuk model machine learning.

Metodologi Utama:
a. Deteksi Garis Pantai

Menggunakan algoritma Normalized Difference Water Index (NDWI) dan Canny edge detection untuk mendeteksi batas darat-laut.

Formula NDWI:
NDWI = (G - NIR) / (G + NIR)

Perhitungan Laju Erosi: Menghitung perubahan posisi garis pantai antar tahun dengan metode End Point Rate (EPR) dan Linear Regression Rate (LRR).

b. Ekstraksi Parameter Fisik
  • Slope (kemiringan pantai) dari data DEM
  • Vegetasi indeks (NDVI)
  • Jarak ke struktur buatan (jalan, bangunan, breakwater)
c. Integrasi Dataset

Menggabungkan seluruh parameter menjadi data cube spasial-temporal (2015-2026) dengan resolusi seragam.

3. Analisis Awal dan Korelasi Variabel

Dilakukan analisis statistik untuk menentukan variabel paling signifikan terhadap erosi, meliputi:

  • Korelasi Pearson/Spearman antar variabel
  • Analisis feature importance awal menggunakan Random Forest
  • Identifikasi zona berisiko tinggi untuk validasi lapangan (ground check)

Hasil dari tahap ini:

  • Dataset siap model (clean and feature-rich)
  • Peta perubahan garis pantai historis (2015-2026)
  • Daftar variabel penting yang mempengaruhi erosi (misalnya: slope, NDWI, intensitas gelombang)
4. Validasi Data dan Baseline Mapping
  • Melakukan verifikasi lapangan di titik kritis (Uluwatu, Pandawa, Canggu)
  • Membandingkan hasil deteksi garis pantai otomatis dengan data GPS lapangan
  • Menyusun peta baseline risiko erosi 2026 sebagai acuan model prediksi pada tahun kedua
5. Output Tahun Pertama
Dataset Spasial-Temporal Erosi Pesisir

Data multi-sumber yang terstandar untuk input model ML

Peta Baseline Risiko Erosi (2015-2026)

Peta distribusi perubahan garis pantai historis

Analisis Korelasi Faktor Erosi

Laporan variabel paling berpengaruh terhadap risiko

Artikel Ilmiah (Scopus Q3)

"Coastal Change Detection in South Bali using Sentinel-2 and Machine Learning Preprocessing"

Integrasi Menuju produk Akhir

Secara keseluruhan, hasil dari tiap tahap akan berkontribusi langsung terhadap produk akhir AI-Coastal Risk System seperti pada diagram berikut:

Diagram menunjukkan integrasi komponen dari Tahun 1, 2, dan 3
              menjadi sistem final yang terintegrasi

Gambar: Integrasi menuju produk akhir

Visi Produk Akhir:

Sistem akhir akan menjadi prototipe nasional untuk mitigasi erosi berbasis data besar dan kecerdasan buatan, mendukung program Riset dan Inovasi Indonesia Maju (RIIM) serta SDGs 13 & 14 tentang aksi iklim dan perlindungan ekosistem laut.

Komponen Sistem Final
πŸ—ΊοΈ WebGIS Dashboard

Platform interaktif untuk visualisasi risiko erosi real-time dengan multi-layer mapping

πŸ€– ML Prediction Engine

Model ensemble (RF + XGBoost + CNN) untuk prediksi akurat dengan confidence intervals

πŸ“Š Monte Carlo Simulator

Kuantifikasi ketidakpastian dan analisis probabilistik untuk multiple scenarios

⚠️ Early Warning System

Sistem peringatan dini dengan notifikasi otomatis untuk zona berisiko tinggi

πŸ“± Mobile Access

Akses mudah melalui web dan mobile untuk stakeholder dan masyarakat

πŸ“š Policy Guidebook

Panduan kebijakan mitigasi berbasis sains untuk pemerintah dan pengelola kawasan

Ringkasan Roadmap 3 Tahun

2026
Foundation Year

Focus: Data Collection & Feature Extraction

Key Activities: Satellite imagery acquisition, preprocessing, baseline mapping, correlation analysis

Deliverables: Comprehensive dataset, baseline erosion maps, Q3 journal publication

2027
Development Year

Focus: ML Model Development & Monte Carlo Integration

Key Activities: ML training (RF, XGBoost, CNN), uncertainty quantification, probabilistic risk mapping

Deliverables: Validated AI-Monte Carlo model, probabilistic risk maps, Q1-Q2 publications

2028
Integration Year

Focus: System Integration & Dissemination

Key Activities: WebGIS development, stakeholder training, policy brief creation

Deliverables: AI-Coastal Risk System (production-ready), policy guidebook, training programs

Our Team

Our diverse team brings together mathematicians, computer scientists, environmental scientists, and engineers, all united by a passion for leveraging computational methods to address environmental challenges. We foster a collaborative environment that encourages interdisciplinary thinking and innovation.

Principal Investigator

Principal Investigator

Group Leader

Expert in applied mathematics and computational modeling with 15+ years of experience in environmental applications.

Senior Researcher

Senior Researcher

Machine Learning Specialist

Develops deep learning algorithms for climate prediction and environmental monitoring systems.

Senior Researcher

Senior Researcher

Optimization Expert

Specializes in mathematical optimization methods for sustainable resource management.

Postdoctoral Fellow

Postdoctoral Fellow

Computational Ecologist

Focuses on ecosystem modeling and biodiversity conservation using computational approaches.

PhD Student

PhD Student

Climate Modeling

Researching stochastic models for climate prediction and uncertainty quantification.

PhD Student

PhD Student

Environmental Data Science

Working on machine learning methods for remote sensing and land use classification.

Recent Publications

Numerical simulation of two-layer shallow water flows; Exchange Flow in Lombok Strait

Swastika, P. V., Pudjaprasetya, S. R., Subasita, N.

EAJAM, 2025, Vol. 15, pp. 373–391

Exact Solutions of Steady Two-Layer Hydraulic Exchange Flow

Kurniawan, R., Swastika, P. V., Pudjaprasetya, S. R.

Pure and Applied Geophysics, 2025, Vol. 182, pp. 489–506

Perbandingan Metode LSTM dan TCN untuk Prediksi Gelombang Laut Berdasarkan Enam Parameter Oseanografi

Marscelina, N. N. B., Wijayakusuma, I. G. N. L., Swastika, P. V.

Jurnal Sains Teknologi, 2025, Vol. 14(1), pp. 56–66

A Non-hydrostatic Model for Simulating Dam-Break Flow Through Various Obstacles

Dharmawan, K., Swastika, P. V., Gandhiadi, G. K., Pudjaprasetya, S. R.

MENDEL, 2024, pp. 33–42

A novel technique for implementing the finite element method in a shallow water equation

Swastika, P. V., Fakhruddin, M., Al Hazmy, S., Fatimah, S., De Souza, A.

MethodsX, 2023

Two-Layer Exchange Flow with Time-Dependent Barotropic Forcing

Pudjaprasetya, S. R., Swastika, P. V.

FVCA 2023, Springer Proceedings in Mathematics & Statistics, Vol. 433

The momentum-conserving simulation for shallow water flows in channels with arbitrary cross-sections

Hadiarti, R. N., Pudjaprasetya, S. R., Swastika, P. V.

European Journal of Mechanics / B Fluids, 2023, Vol. 99, pp. 74–83

A Momentum-Conserving Scheme for Flow Simulation in 1D Channel with Obstacle and Contraction

Swastika, P. V., Pudjaprasetya, S. R., Wiryanto, L. H., Hadiarti, R. N.

Fluids, 2021, Vol. 6(1), Article 26

The Momentum Conserving Scheme for Two-Layer Shallow Flows

Swastika, P. V., Pudjaprasetya, S. R.

Fluids, 2021, Vol. 6, Article 346

The Finite Element Method for 1D wave simulation using Shallow Water Equations

Swastika, P. V., Pudjaprasetya, S. R., Adytia, D.

IOP Conference Series: Earth and Environmental Science, 2020, Vol. 618

Get in Touch

Contact Information

Address:

Department of Mathematics
Udayana University
Jl. Kampus Udayana, Badung, 20244, Bali, Indonesia

Email: contact@amci-enviro.org

Phone:

+62 813-3873-7730

We welcome inquiries from potential collaborators, students interested in joining our group, and organizations seeking research partnerships.

Send us a message