Land River Sea Consulting Ltd is a trusted brand offering a range of specialized services in the field of hydraulic modelling, drone surveying, sediment transport/geomorphic change detection, optical bathymetry techniques, peer review/expert evidence, and problem-solving. With extensive experience in hydraulic modelling using industry-leading software such as DHI MIKE suite, HECRAS, and TUFLOW, our team excels in building detailed and calibrated hydraulic models for various projects, including small drainage networks and large catchment-wide rain-on-grid 2D models. We primarily serve the Local Government sector in New Zealand, but also cater to private clients.

Equipped with years of experience in drone surveying, we offer detailed and high-resolution surveys of all terrain types at a competitive price. Our certified pilot ensures compliance with legal and health and safety requirements. We collect accurate and reliable data by placing significant ground control and providing independent validation.

We specialize in analyzing sediment transport and geomorphic changes in river systems, utilizing advanced techniques such as cross-sectional analysis, LiDAR, and drone data. With our in-depth understanding and probabilistic approach, we help clients interpret data and estimate changes over time. Our proprietary optical bathymetry techniques revolutionize the collection of underwater survey data, enabling the rapid and cost-effective capture of bathymetric data.

We create accurate digital elevation models (DEM) of both above and below water bed elevation, using a variety of data sources including drones, aerial imagery, and satellite imagery. We are also developing a software product to facilitate these analyses. Recognized for our expertise, we offer peer review services and provide expert evidence for legal proceedings.

We are problem solvers, committed to helping clients find effective solutions. Contact us to discover how we can assist you with your projects