Negative Z values in 3D ArcGIS Pro can provide important information about elevation changes and geological features. By visualizing and analyzing these negative Z values, you can gain a better understanding of the terrain and make more informed decisions in your geo-spatial analysis. Here's how you can view negative Z values in 3D ArcGIS Pro:

1. Enable 3D Visualization: To view negative Z values in 3D, you first need to enable the 3D visualization in ArcGIS Pro. This will allow you to create 3D scenes and manipulate the visual representation of your data.

2. Add Data with Negative Z Values: Once you have enabled 3D visualization, you can add the data containing negative Z values to your project. This could be elevation data, geological information, or any other data set that includes Z values.

3. Configure Symbolization: After adding the data, you can configure the symbolization to visualize the negative Z values effectively. You can use different color gradients, shading, and contour lines to represent the negative elevations in your 3D scene.

4. Adjust Transparency and Lighting: To enhance the visibility of negative Z values, you can adjust the transparency of the data layers and manipulate the lighting in the 3D scene. This will provide a clearer representation of the negative elevations in your visualization.

5. Analyze Negative Z Values: Once you have visualized the negative Z values in 3D, you can start analyzing the data to gain insights into elevation changes, geological formations, and other relevant spatial patterns. This analysis can help you make informed decisions in fields such as urban planning, environmental assessment, and infrastructure development.

By following these steps, you can effectively view and analyze negative Z values in 3D ArcGIS Pro, gaining valuable insights into the terrain and spatial patterns. This capability can significantly enhance your geo-spatial analysis and decision-making processes, providing a deeper understanding of the landscape and its features.