Add alphaearth tab

src/entropice/dashboard/plots/embeddings.py

@@ -0,0 +1,376 @@
+"""Render the AlphaEarth visualization tab."""
+
+import geopandas as gpd
+import matplotlib.colors as mcolors
+import numpy as np
+import plotly.graph_objects as go
+import pydeck as pdk
+import xarray as xr
+
+from entropice.dashboard.utils.colors import get_cmap, hex_to_rgb
+from entropice.dashboard.utils.geometry import fix_hex_geometry
+
+
+def create_embedding_map(
+    embedding_values: xr.DataArray,
+    grid_gdf: gpd.GeoDataFrame,
+    make_3d_map: bool,
+) -> pdk.Deck:
+    """Create a spatial distribution map for AlphaEarth embeddings.
+
+    Args:
+        embedding_values (xr.DataArray): DataArray containing the already filtered AlphaEarth embeddings.
+        grid_gdf (gpd.GeoDataFrame): GeoDataFrame containing grid cell geometries.
+        make_3d_map (bool): Whether to render the map in 3D (extruded) or 2D.
+
+    Returns:
+        pdk.Deck: A PyDeck map visualization of the AlphaEarth embeddings.
+
+    """
+    # Subsample if too many cells for performance
+    n_cells = len(embedding_values["cell_ids"])
+    if n_cells > 100000:
+        rng = np.random.default_rng(42)  # Fixed seed for reproducibility
+        cell_indices = rng.choice(n_cells, size=100000, replace=False)
+        embedding_values = embedding_values.isel(cell_ids=cell_indices)
+
+    # Create a copy to avoid modifying the original
+    gdf = grid_gdf.copy().to_crs("EPSG:4326")
+
+    # Convert to DataFrame for easier merging
+    embedding_df = embedding_values.to_dataframe(name="embedding_value")
+
+    # Reset index if cell_id is already the index
+    if gdf.index.name == "cell_id":
+        gdf = gdf.reset_index()
+
+    # Filter grid to only cells that have embedding data
+    gdf = gdf[gdf["cell_id"].isin(embedding_df.index)]
+    gdf = gdf.set_index("cell_id")
+
+    # Merge embedding values with grid geometries
+    gdf = gdf.join(embedding_df, how="inner")
+
+    # Convert to WGS84 for pydeck
+    gdf_wgs84 = gdf.to_crs("EPSG:4326")
+
+    # Fix antimeridian issues for hex cells
+    gdf_wgs84["geometry"] = gdf_wgs84["geometry"].apply(fix_hex_geometry)
+
+    # Get colormap for embeddings
+    cmap = get_cmap("AlphaEarth")
+
+    # Normalize the embedding values to [0, 1] for color mapping
+    # Use percentiles to avoid outliers
+    values = gdf_wgs84["embedding_value"].values
+    vmin, vmax = np.nanpercentile(values, [2, 98])
+
+    if vmax > vmin:
+        normalized_values = np.clip((values - vmin) / (vmax - vmin), 0, 1)
+    else:
+        normalized_values = np.zeros_like(values)
+
+    # Map normalized values to colors
+    colors = [cmap(val) for val in normalized_values]
+    rgb_colors = [hex_to_rgb(mcolors.to_hex(color)) for color in colors]
+    gdf_wgs84["fill_color"] = rgb_colors
+
+    # Store embedding value for tooltip
+    gdf_wgs84["embedding_value_display"] = values
+
+    # Store normalized values for elevation (if 3D)
+    gdf_wgs84["elevation"] = normalized_values
+
+    # Convert to GeoJSON format
+    geojson_data = []
+    for _, row in gdf_wgs84.iterrows():
+        feature = {
+            "type": "Feature",
+            "geometry": row["geometry"].__geo_interface__,
+            "properties": {
+                "fill_color": row["fill_color"],
+                "embedding_value": float(row["embedding_value_display"]),
+                "elevation": float(row["elevation"]) if make_3d_map else 0,
+            },
+        }
+        geojson_data.append(feature)
+
+    # Create pydeck layer
+    layer = pdk.Layer(
+        "GeoJsonLayer",
+        geojson_data,
+        opacity=0.7,
+        stroked=True,
+        filled=True,
+        extruded=make_3d_map,
+        wireframe=False,
+        get_fill_color="properties.fill_color",
+        get_line_color=[80, 80, 80],
+        line_width_min_pixels=0.5,
+        get_elevation="properties.elevation" if make_3d_map else 0,
+        elevation_scale=500000,  # Scale normalized values (0-1) to 500km height
+        pickable=True,
+    )
+
+    # Set initial view state (centered on the Arctic)
+    # Adjust pitch and zoom based on whether we're using 3D
+    view_state = pdk.ViewState(
+        latitude=70,
+        longitude=0,
+        zoom=2 if not make_3d_map else 1.5,
+        pitch=0 if not make_3d_map else 45,
+    )
+
+    # Build tooltip HTML
+    tooltip_html = "<b>Embedding Value:</b> {embedding_value}"
+
+    # Create deck
+    deck = pdk.Deck(
+        layers=[layer],
+        initial_view_state=view_state,
+        tooltip={
+            "html": tooltip_html,
+            "style": {"backgroundColor": "steelblue", "color": "white"},
+        },
+        map_style="https://basemaps.cartocdn.com/gl/dark-matter-gl-style/style.json",
+    )
+
+    return deck
+
+
+def create_embedding_trend_plot(embedding_values: xr.DataArray) -> go.Figure:
+    """Create a trend plot for AlphaEarth embeddings over time.
+
+    Contains a line plot with shaded areas representing the 10th to 90th percentiles.
+    Min and Max values are marked through a dashed line.
+
+    Args:
+        embedding_values (xr.DataArray): DataArray containing the AlphaEarth embeddings with a 'year' dimension.
+
+    Returns:
+        go.Figure: A Plotly figure showing the trend of embeddings over time.
+
+    """
+    # Subsample if too many cells for performance
+    n_cells = len(embedding_values["cell_ids"])
+    if n_cells > 10000:
+        rng = np.random.default_rng(42)  # Fixed seed for reproducibility
+        cell_indices = rng.choice(n_cells, size=10000, replace=False)
+        embedding_values = embedding_values.isel(cell_ids=cell_indices)
+
+    # Calculate statistics over space (cell_ids) for each year
+    years = embedding_values["year"].values
+
+    # Compute statistics across cells for each year
+    mean_values = embedding_values.mean(dim="cell_ids").to_numpy()
+    min_values = embedding_values.min(dim="cell_ids").to_numpy()
+    max_values = embedding_values.max(dim="cell_ids").to_numpy()
+    p10_values = embedding_values.quantile(0.10, dim="cell_ids").to_numpy()
+    p90_values = embedding_values.quantile(0.90, dim="cell_ids").to_numpy()
+
+    fig = go.Figure()
+
+    # Add min/max range first (background) - dashed lines
+    fig.add_trace(
+        go.Scatter(
+            x=years,
+            y=min_values,
+            mode="lines",
+            line={"color": "lightgray", "width": 1, "dash": "dash"},
+            name="Min/Max Range",
+            showlegend=True,
+        )
+    )
+
+    fig.add_trace(
+        go.Scatter(
+            x=years,
+            y=max_values,
+            mode="lines",
+            fill="tonexty",
+            fillcolor="rgba(200, 200, 200, 0.1)",
+            line={"color": "lightgray", "width": 1, "dash": "dash"},
+            showlegend=False,
+        )
+    )
+
+    # Add 10th-90th percentile band
+    fig.add_trace(
+        go.Scatter(
+            x=years,
+            y=p10_values,
+            mode="lines",
+            line={"width": 0},
+            showlegend=False,
+            hoverinfo="skip",
+        )
+    )
+
+    fig.add_trace(
+        go.Scatter(
+            x=years,
+            y=p90_values,
+            mode="lines",
+            fill="tonexty",
+            fillcolor="rgba(76, 175, 80, 0.2)",  # Green shade for AlphaEarth
+            line={"width": 0},
+            name="10th-90th Percentile",
+        )
+    )
+
+    # Add mean line on top
+    fig.add_trace(
+        go.Scatter(
+            x=years,
+            y=mean_values,
+            mode="lines+markers",
+            name="Mean",
+            line={"color": "#2E7D32", "width": 2},  # Darker green for AlphaEarth
+            marker={"size": 6},
+        )
+    )
+
+    fig.update_layout(
+        title="Embedding Values Over Time (Spatial Statistics)",
+        xaxis_title="Year",
+        yaxis_title="Embedding Value",
+        yaxis={"zeroline": True, "zerolinewidth": 2, "zerolinecolor": "gray"},
+        height=450,
+        hovermode="x unified",
+        legend={
+            "orientation": "h",
+            "yanchor": "bottom",
+            "y": 1.02,
+            "xanchor": "right",
+            "x": 1,
+        },
+    )
+
+    # Format x-axis to show years as integers
+    fig.update_xaxes(dtick=1)
+
+    return fig
+
+
+def create_embedding_distribution_plot(embedding_values: xr.DataArray) -> go.Figure:
+    """Create a distribution plot showing the min/max, 10th/90th percentiles, and mean of AlphaEarth bands.
+
+    Args:
+        embedding_values (xr.DataArray): DataArray containing the AlphaEarth embeddings.
+
+    Returns:
+        go.Figure: A Plotly figure showing the distribution of embeddings.
+
+    """
+    # Subsample if too many cells for performance
+    n_cells = len(embedding_values["cell_ids"])
+    if n_cells > 10000:
+        rng = np.random.default_rng(42)  # Fixed seed for reproducibility
+        cell_indices = rng.choice(n_cells, size=10000, replace=False)
+        embedding_values = embedding_values.isel(cell_ids=cell_indices)
+
+    # Get band dimension
+    bands = embedding_values["band"].values
+
+    # Calculate statistics for each band across all cells
+    band_stats = []
+    for band in bands:
+        band_data = embedding_values.sel(band=band).values.flatten()
+        # Remove NaN values
+        band_data = band_data[~np.isnan(band_data)]
+
+        if len(band_data) > 0:
+            band_stats.append(
+                {
+                    "Band": str(band),
+                    "Mean": float(np.mean(band_data)),
+                    "Min": float(np.min(band_data)),
+                    "Max": float(np.max(band_data)),
+                    "P10": float(np.percentile(band_data, 10)),
+                    "P90": float(np.percentile(band_data, 90)),
+                }
+            )
+
+    # Create DataFrame from statistics
+    import pandas as pd
+
+    band_df = pd.DataFrame(band_stats)
+
+    fig = go.Figure()
+
+    # Add min/max range first (background) - dashed lines
+    fig.add_trace(
+        go.Scatter(
+            x=band_df["Band"],
+            y=band_df["Min"],
+            mode="lines",
+            line={"color": "lightgray", "width": 1, "dash": "dash"},
+            name="Min/Max Range",
+            showlegend=True,
+        )
+    )
+
+    fig.add_trace(
+        go.Scatter(
+            x=band_df["Band"],
+            y=band_df["Max"],
+            mode="lines",
+            fill="tonexty",
+            fillcolor="rgba(200, 200, 200, 0.1)",
+            line={"color": "lightgray", "width": 1, "dash": "dash"},
+            showlegend=False,
+        )
+    )
+
+    # Add 10th-90th percentile band
+    fig.add_trace(
+        go.Scatter(
+            x=band_df["Band"],
+            y=band_df["P10"],
+            mode="lines",
+            line={"width": 0},
+            showlegend=False,
+            hoverinfo="skip",
+        )
+    )
+
+    fig.add_trace(
+        go.Scatter(
+            x=band_df["Band"],
+            y=band_df["P90"],
+            mode="lines",
+            fill="tonexty",
+            fillcolor="rgba(76, 175, 80, 0.2)",  # Green shade for AlphaEarth
+            line={"width": 0},
+            name="10th-90th Percentile",
+        )
+    )
+
+    # Add mean line on top
+    fig.add_trace(
+        go.Scatter(
+            x=band_df["Band"],
+            y=band_df["Mean"],
+            mode="lines+markers",
+            name="Mean",
+            line={"color": "#2E7D32", "width": 2},  # Darker green for AlphaEarth
+            marker={"size": 4},
+        )
+    )
+
+    fig.update_layout(
+        title="Embedding Distribution by Band (Spatial Statistics)",
+        xaxis_title="Band",
+        yaxis_title="Embedding Value",
+        height=450,
+        hovermode="x unified",
+        legend={
+            "orientation": "h",
+            "yanchor": "bottom",
+            "y": 1.02,
+            "xanchor": "right",
+            "x": 1,
+        },
+    )
+
+    return fig

src/entropice/dashboard/sections/alphaearth.py

@@ -0,0 +1,238 @@
+"""AlphaEarth embeddings dashboard section."""
+
+import geopandas as gpd
+import matplotlib.colors as mcolors
+import numpy as np
+import streamlit as st
+import xarray as xr
+
+from entropice.dashboard.plots.embeddings import (
+    create_embedding_distribution_plot,
+    create_embedding_map,
+    create_embedding_trend_plot,
+)
+from entropice.dashboard.sections.dataset_statistics import render_member_details
+from entropice.dashboard.utils.colors import get_cmap
+from entropice.dashboard.utils.stats import MemberStatistics
+
+
+def _get_band_agg_options(embeddings: xr.Dataset):
+    """Get band and aggregation selection options from user."""
+    bands = embeddings["band"].values.tolist()
+    aggregations = embeddings["agg"].values.tolist()
+
+    cols = st.columns([2, 2])
+    with cols[0]:
+        band = st.selectbox(
+            "Select Embedding Band",
+            options=bands,
+            index=0,
+            help="Select which embedding band to visualize on the map.",
+            key="embedding_band_select",
+        )
+    with cols[1]:
+        aggregation = st.selectbox(
+            "Select Aggregation Method",
+            options=aggregations,
+            index=0,
+            help="Select the aggregation method for the embeddings to visualize.",
+            key="embedding_agg_select",
+        )
+
+    return band, aggregation
+
+
+@st.fragment
+def _render_embedding_map(embedding_values: xr.DataArray, grid_gdf: gpd.GeoDataFrame):
+    st.subheader("AlphaEarth Embedding Map")
+
+    st.markdown(
+        """
+        This interactive map visualizes the spatial distribution of the selected embedding band across
+        the Arctic region. Each grid cell is colored according to its embedding value, revealing spatial
+        patterns in the satellite imagery features. High-resolution embeddings can indicate areas with
+        distinctive characteristics that may be relevant for RTS detection.
+
+        **Map controls:**
+        - **Hover** over cells to see exact embedding values
+        - **3D mode**: Elevation represents embedding magnitude - higher areas have larger values
+        - **Rotate** (3D mode): Hold Ctrl/Cmd and drag to rotate the view
+        - **Zoom/Pan**: Scroll to zoom, click and drag to pan
+        """
+    )
+
+    cols = st.columns([4, 1])
+    with cols[0]:
+        if "year" in embedding_values.dims or "year" in embedding_values.coords:
+            year_values = embedding_values["year"].values.tolist()
+            year = st.slider(
+                "Select Year",
+                min_value=int(min(year_values)),
+                max_value=int(max(year_values)),
+                value=int(max(year_values)),
+                step=1,
+                help="Select the year for which to visualize the embeddings.",
+            )
+            embedding_values = embedding_values.sel(year=year)
+    with cols[1]:
+        make_3d_map = st.checkbox("3D Map", value=True)
+
+    # Check if subsampling will occur
+    n_cells = len(embedding_values["cell_ids"])
+    if n_cells > 100000:
+        st.info(f"🗺️ **Map subsampled:** Displaying 100,000 randomly selected cells out of {n_cells:,} for performance.")
+
+    map_deck = create_embedding_map(
+        embedding_values=embedding_values,
+        grid_gdf=grid_gdf,
+        make_3d_map=make_3d_map,
+    )
+
+    st.pydeck_chart(map_deck, width="stretch")
+
+    # Add legend
+    with st.expander("Legend", expanded=True):
+        st.markdown("**Embedding Value**")
+
+        # Get the actual values to show accurate min/max (same as in the map function)
+        values = embedding_values.values.flatten()
+        values = values[~np.isnan(values)]
+        vmin, vmax = np.nanpercentile(values, [2, 98])
+
+        vmin_str = f"{vmin:.4f}"
+        vmax_str = f"{vmax:.4f}"
+
+        # Get the same colormap used in the map
+        cmap = get_cmap("AlphaEarth")
+        # Sample 4 colors from the colormap to create the gradient
+        gradient_colors = [mcolors.to_hex(cmap(i)) for i in [0.0, 0.33, 0.67, 1.0]]
+        gradient_css = ", ".join(gradient_colors)
+
+        # Create a simple gradient legend
+        st.markdown(
+            f'<div style="display: flex; align-items: center; margin-top: 10px; margin-bottom: 10px;">'
+            f'<span style="margin-right: 10px;">{vmin_str}</span>'
+            f'<div style="flex: 1; height: 20px; background: linear-gradient(to right, '
+            f'{gradient_css}); border: 1px solid #ccc;"></div>'
+            f'<span style="margin-left: 10px;">{vmax_str}</span>'
+            f"</div>",
+            unsafe_allow_html=True,
+        )
+
+        st.caption(
+            "Color intensity represents embedding values from low (green) to high (yellow). "
+            "Values are normalized using the 2nd-98th percentile range to avoid outliers."
+        )
+
+        if make_3d_map:
+            st.markdown("---")
+            st.markdown("**3D Elevation:**")
+            st.caption(
+                "Height represents normalized embedding values. Rotate the map by holding Ctrl/Cmd and dragging."
+            )
+
+
+def _render_trend(embeddin_values: xr.DataArray):
+    st.subheader("AlphaEarth Embedding Trends Over Time")
+
+    st.markdown(
+        """
+        This visualization shows how embedding values have changed over time across the study area.
+        The plot aggregates spatial statistics (mean, percentiles) for each year, revealing temporal
+        patterns in the satellite imagery embeddings that may correlate with environmental changes.
+
+        **Understanding the plot:**
+        - **Mean line** (dark green): Average embedding value across all grid cells for each year
+        - **10th-90th percentile band** (light green): Range containing 80% of the values, showing
+          typical variation
+        - **Min/Max range** (gray): Full extent of values, highlighting outliers
+        """
+    )
+
+    # Show dataset filtering info
+    band_val = embeddin_values["band"].values.item() if embeddin_values["band"].size == 1 else "multiple"
+    agg_val = embeddin_values["agg"].values.item() if embeddin_values["agg"].size == 1 else "multiple"
+    st.caption(
+        f"📊 **Dataset selection:** Band `{band_val}`, Aggregation `{agg_val}` "
+        f"({len(embeddin_values['year'])} years, {len(embeddin_values['cell_ids']):,} cells)"
+    )
+
+    # Check if subsampling will occur
+    n_cells = len(embeddin_values["cell_ids"])
+    if n_cells > 10000:
+        st.info(
+            f"📊 **Dataset subsampled:** Using 10,000 randomly selected cells out of {n_cells:,} "
+            "for performance. Statistics remain representative."
+        )
+
+    fig = create_embedding_trend_plot(embedding_values=embeddin_values)
+    st.plotly_chart(fig, width="stretch")
+
+
+def _render_distribution(embeddin_values: xr.DataArray):
+    st.subheader("AlphaEarth Embedding Distribution")
+
+    st.markdown(
+        """
+        This plot shows the statistical distribution of embedding values across all 64 embedding
+        dimensions (bands). AlphaEarth embeddings are learned representations from satellite imagery,
+        with each band capturing different aspects of the landscape (e.g., vegetation, terrain, ice
+        cover, land use).
+
+        **Understanding the plot:**
+        - **X-axis**: Embedding bands (A00-A63), each representing a learned feature from satellite
+          imagery
+        - **Mean line** (dark green): Average value across all grid cells for each band
+        - **10th-90th percentile band** (light green): Central distribution of values, excluding
+          outliers
+        - **Min/Max range** (gray): Full value range showing extreme values
+
+        Different bands may capture different landscape features - bands with higher variance often
+        represent more spatially heterogeneous characteristics.
+        """
+    )
+
+    # Show dataset filtering info
+    agg_val = embeddin_values["agg"].values.item() if embeddin_values["agg"].size == 1 else "multiple"
+    n_bands = len(embeddin_values["band"])
+    n_cells = len(embeddin_values["cell_ids"])
+    st.caption(f"📊 **Dataset selection:** Aggregation `{agg_val}` ({n_bands} bands, {n_cells:,} cells)")
+
+    # Check if subsampling will occur
+    if n_cells > 10000:
+        st.info(
+            f"📊 **Dataset subsampled:** Using 10,000 randomly selected cells out of {n_cells:,} "
+            "for performance. Statistics remain representative."
+        )
+
+    fig = create_embedding_distribution_plot(embedding_values=embeddin_values)
+    st.plotly_chart(fig, width="stretch")
+
+
+@st.fragment
+def render_alphaearth_tab(embeddings: xr.Dataset, grid_gdf: gpd.GeoDataFrame, member_stats: MemberStatistics):
+    """Render the AlphaEarth visualization tab.
+
+    Args:
+        embeddings: The AlphaEarth dataset member, lazily loaded.
+        grid_gdf: GeoDataFrame with grid cell geometries
+        member_stats: Statistics for the AlphaEarth member.
+
+    """
+    # Render different visualizations
+    with st.expander("AlphaEarth Embedding Statistics", expanded=True):
+        render_member_details("AlphaEarth", member_stats)
+
+    st.divider()
+
+    band, aggregation = _get_band_agg_options(embeddings)
+    embedding_values = embeddings["embeddings"].sel(agg=aggregation).compute()
+
+    _render_distribution(embedding_values)
+    st.divider()
+
+    if "year" in embedding_values.dims or "year" in embedding_values.coords:
+        _render_trend(embedding_values.sel(band=band))
+        st.divider()
+
+    _render_embedding_map(embedding_values.sel(band=band), grid_gdf)

src/entropice/dashboard/sections/areas.py

@@ -23,7 +23,7 @@ def _render_area_map(grid_gdf: gpd.GeoDataFrame):
             key="metric",
         )
     with cols[1]:
-        make_3d_map = cast(bool, st.checkbox("3D Map", value=True, key="area_3d_map"))
+        make_3d_map = cast(bool, st.checkbox("3D Map", value=True))
 
     map_deck = create_grid_areas_map(grid_gdf, metric, make_3d_map)
     st.pydeck_chart(map_deck)

src/entropice/dashboard/sections/dataset_statistics.py

@@ -436,6 +436,42 @@ def _render_aggregation_selection(
     return dimension_filters
 
 
+def render_member_details(member: str, member_stats: MemberStatistics):
+    """Render detailed information for a single member.
+
+    Displays variables and dimensions with styled badges.
+
+    Args:
+        member: Member dataset name
+        member_stats: Statistics for the member
+
+    """
+    st.markdown(f"### {member}")
+
+    # Variables
+    st.markdown("**Variables:**")
+    vars_html = " ".join(
+        [
+            f'<span style="background-color: #e3f2fd; color: #1976d2; padding: 4px 8px; '
+            f'border-radius: 4px; margin: 2px; display: inline-block; font-size: 0.9em;">{v}</span>'
+            for v in member_stats.variable_names
+        ]
+    )
+    st.markdown(vars_html, unsafe_allow_html=True)
+
+    # Dimensions
+    st.markdown("**Dimensions:**")
+    dim_html = " ".join(
+        [
+            f'<span style="background-color: #f3e5f5; color: #7b1fa2; padding: 4px 8px; '
+            f'border-radius: 4px; margin: 2px; display: inline-block; font-size: 0.9em;">'
+            f"{dim_name}: {dim_size:,}</span>"
+            for dim_name, dim_size in member_stats.dimensions.items()
+        ]
+    )
+    st.markdown(dim_html, unsafe_allow_html=True)
+
+
 def render_ensemble_details(
     selected_members: list[L2SourceDataset],
     selected_member_stats: dict[L2SourceDataset, MemberStatistics],
@@ -502,33 +538,9 @@ def render_ensemble_details(
         st.dataframe(details_df, hide_index=True, width="stretch")
 
         # Individual member details
-        for member, member_stats in selected_member_stats.items():
-            st.markdown(f"### {member}")
-
-            # Variables
-            st.markdown("**Variables:**")
-            vars_html = " ".join(
-                [
-                    f'<span style="background-color: #e3f2fd; color: #1976d2; padding: 4px 8px; '
-                    f'border-radius: 4px; margin: 2px; display: inline-block; font-size: 0.9em;">{v}</span>'
-                    for v in member_stats.variable_names
-                ]
-            )
-            st.markdown(vars_html, unsafe_allow_html=True)
-
-            # Dimensions
-            st.markdown("**Dimensions:**")
-            dim_html = " ".join(
-                [
-                    f'<span style="background-color: #f3e5f5; color: #7b1fa2; padding: 4px 8px; '
-                    f'border-radius: 4px; margin: 2px; display: inline-block; font-size: 0.9em;">'
-                    f"{dim_name}: {dim_size:,}</span>"
-                    for dim_name, dim_size in member_stats.dimensions.items()
-                ]
-            )
-            st.markdown(dim_html, unsafe_allow_html=True)
-
-            st.markdown("---")
+        for member, stats in selected_member_stats.items():
+            render_member_details(member, stats)
+            st.divider()
 
 
 def _render_configuration_summary(

src/entropice/dashboard/sections/experiment_results.py

@@ -52,6 +52,7 @@ def render_experiment_results(training_results: list[TrainingResult]):  # noqa:
                 "Experiment",
                 options=["All", *experiments],
                 index=0,
+                key="exp_results_experiment",
             )
         else:
             selected_experiment = "All"
@@ -61,6 +62,7 @@ def render_experiment_results(training_results: list[TrainingResult]):  # noqa:
             "Task",
             options=["All", *tasks],
             index=0,
+            key="exp_results_task",
         )
 
     with filter_cols[2]:
@@ -68,6 +70,7 @@ def render_experiment_results(training_results: list[TrainingResult]):  # noqa:
             "Model",
             options=["All", *models],
             index=0,
+            key="exp_results_model",
         )
 
     with filter_cols[3]:
@@ -75,6 +78,7 @@ def render_experiment_results(training_results: list[TrainingResult]):  # noqa:
             "Grid",
             options=["All", *grids],
             index=0,
+            key="exp_results_grid",
         )
 
     # Apply filters

src/entropice/dashboard/sections/targets.py

@@ -170,6 +170,7 @@ def _render_target_map(train_data_dict: dict[TargetDataset, dict[Task, TrainingS
                 "Select Target Dataset",
                 options=sorted(train_data_dict.keys()),
                 index=0,
+                key="target_map_dataset",
             ),
         )
     with cols[1]:
@@ -179,6 +180,7 @@ def _render_target_map(train_data_dict: dict[TargetDataset, dict[Task, TrainingS
                 "Select Task",
                 options=sorted(train_data_dict[selected_target].keys()),
                 index=0,
+                key="target_map_task",
             ),
         )
     with cols[2]:

src/entropice/dashboard/utils/loaders.py

@@ -15,8 +15,9 @@ from shapely.geometry import shape
 import entropice.spatial.grids
 import entropice.utils.paths
 from entropice.dashboard.utils.formatters import TrainingResultDisplayInfo
+from entropice.ml.dataset import DatasetEnsemble, TrainingSet
 from entropice.ml.training import TrainingSettings
-from entropice.utils.types import GridConfig
+from entropice.utils.types import GridConfig, TargetDataset, Task, all_target_datasets, all_tasks
 
 
 def _fix_hex_geometry(geom):
@@ -239,3 +240,13 @@ def load_all_training_results() -> list[TrainingResult]:
     # Sort by creation time (most recent first)
     training_results.sort(key=lambda tr: tr.created_at, reverse=True)
     return training_results
+
+
+def load_training_sets(ensemble: DatasetEnsemble) -> dict[TargetDataset, dict[Task, TrainingSet]]:
+    """Load training sets for all target-task combinations in the ensemble."""
+    train_data_dict: dict[TargetDataset, dict[Task, TrainingSet]] = {}
+    for target in all_target_datasets:
+        train_data_dict[target] = {}
+        for task in all_tasks:
+            train_data_dict[target][task] = ensemble.create_training_set(target=target, task=task)
+    return train_data_dict

src/entropice/dashboard/utils/stats.py

@@ -9,6 +9,7 @@ from dataclasses import asdict, dataclass
 from typing import Literal
 
 import pandas as pd
+import xarray as xr
 from stopuhr import stopwatch
 
 import entropice.spatial.grids
@@ -39,10 +40,18 @@ class MemberStatistics:
     size_bytes: int  # Size of this member's data on disk in bytes
 
     @classmethod
-    def compute(cls, e: DatasetEnsemble) -> dict[L2SourceDataset, "MemberStatistics"]:
+    def compute(
+        cls,
+        e: DatasetEnsemble,
+        member_datasets: dict[L2SourceDataset, xr.Dataset] | None = None,
+    ) -> dict[L2SourceDataset, "MemberStatistics"]:
         """Pre-compute the statistics for a specific dataset member."""
+        member_datasets = member_datasets or {}
         member_stats = {}
         for member in e.members:
+            if member in member_datasets:
+                ds = member_datasets[member]
+            else:
                 ds = e.read_member(member, lazy=True)
             size_bytes = ds.nbytes
 
@@ -113,7 +122,11 @@ class DatasetStatistics:
     target: dict[TargetDataset, dict[Task, TargetStatistics]]  # Statistics per target dataset and Task
 
     @classmethod
-    def from_ensemble(cls, e: DatasetEnsemble) -> "DatasetStatistics":
+    def from_ensemble(
+        cls,
+        e: DatasetEnsemble,
+        member_datasets: dict[L2SourceDataset, xr.Dataset] | None = None,
+    ) -> "DatasetStatistics":
         """Compute dataset statistics from a DatasetEnsemble."""
         grid_gdf = entropice.spatial.grids.open(e.grid, e.level)  # Ensure grid is registered
         total_cells = len(grid_gdf)
@@ -123,7 +136,7 @@ class DatasetStatistics:
                 # darts_mllabels does not support year-based temporal modes
                 continue
             target_statistics[target] = TargetStatistics.compute(e, target=target, total_cells=total_cells)
-        member_statistics = MemberStatistics.compute(e)
+        member_statistics = MemberStatistics.compute(e, member_datasets=member_datasets)
 
         total_features = sum(ms.feature_count for ms in member_statistics.values())
         total_size_bytes = sum(ms.size_bytes for ms in member_statistics.values())

src/entropice/dashboard/views/dataset_page.py

@@ -3,21 +3,20 @@
 from typing import cast
 
 import streamlit as st
+import xarray as xr
 from stopuhr import stopwatch
 
+from entropice.dashboard.sections.alphaearth import render_alphaearth_tab
 from entropice.dashboard.sections.areas import render_area_information_tab
 from entropice.dashboard.sections.dataset_statistics import render_ensemble_details
 from entropice.dashboard.sections.targets import render_target_information_tab
+from entropice.dashboard.utils.loaders import load_training_sets
 from entropice.dashboard.utils.stats import DatasetStatistics
-from entropice.ml.dataset import DatasetEnsemble, TrainingSet
+from entropice.ml.dataset import DatasetEnsemble
 from entropice.utils.types import (
     GridConfig,
     L2SourceDataset,
-    TargetDataset,
-    Task,
     TemporalMode,
-    all_target_datasets,
-    all_tasks,
     grid_configs,
 )
 
@@ -38,6 +37,7 @@ def render_dataset_configuration_sidebar() -> DatasetEnsemble:
             options=grid_options,
             index=0,
             help="Select the grid system and resolution level",
+            key="dataset_page_grid",
         )
 
         # Find the selected grid config
@@ -48,12 +48,13 @@ def render_dataset_configuration_sidebar() -> DatasetEnsemble:
             "Temporal Mode",
             options=cast(list[TemporalMode], ["synopsis", "feature", 2018, 2019, 2020, 2021, 2022, 2023]),
             index=0,
-            format_func=lambda x: "Synopsis (all years)"
+            format_func=lambda x: "Synopsis (mean + trend)"
             if x == "synopsis"
             else "Years-as-Features"
             if x == "feature"
             else f"Year {x}",
             help="Select temporal mode: 'synopsis' for temporal features or specific year",
+            key="dataset_page_temporal_mode",
         )
 
         # Members selection
@@ -108,23 +109,20 @@ def render_dataset_page():
 
     st.divider()
 
+    member_datasets = cast(
+        dict[L2SourceDataset, xr.Dataset],
+        {member: ensemble.read_member(member, lazy=True) for member in ensemble.members},
+    )
     # Render dataset statistics section
-    stats = DatasetStatistics.from_ensemble(ensemble)
+    stats = DatasetStatistics.from_ensemble(ensemble, member_datasets=member_datasets)
     render_ensemble_details(ensemble.members, stats.members)
 
     st.divider()
 
     # Load data and precompute visualizations
-    # First, load for all task - target combinations the training data
-    train_data_dict: dict[TargetDataset, dict[Task, TrainingSet]] = {}
-    for target in all_target_datasets:
-        train_data_dict[target] = {}
-        for task in all_tasks:
-            train_data_dict[target][task] = ensemble.create_training_set(target=target, task=task)
     # Preload the grid GeoDataFrame
     grid_gdf = ensemble.read_grid()
 
-    era5_members = [m for m in ensemble.members if m.startswith("ERA5")]
     # Create tabs for different data views
     tab_names = ["🎯 Targets", "📐 Areas"]
     # Add tabs for each member based on what's in the ensemble
@@ -132,21 +130,27 @@ def render_dataset_page():
         tab_names.append("🌍 AlphaEarth")
     if "ArcticDEM" in ensemble.members:
         tab_names.append("🏔️ ArcticDEM")
+    era5_members = [m for m in ensemble.members if m.startswith("ERA5")]
     if era5_members:
         tab_names.append("🌡️ ERA5")
     tabs = st.tabs(tab_names)
 
     with tabs[0]:
         st.header("🎯 Target Labels Visualization")
-        if False:  #!  debug
+        if False:  # ! DEBUG
+            train_data_dict = load_training_sets(ensemble)
             render_target_information_tab(train_data_dict)
     with tabs[1]:
         st.header("📐 Areas Visualization")
+        if False:  # ! DEBUG
             render_area_information_tab(grid_gdf)
     tab_index = 2
     if "AlphaEarth" in ensemble.members:
         with tabs[tab_index]:
             st.header("🌍 AlphaEarth Visualization")
+            alphaearth_ds = member_datasets["AlphaEarth"]
+            alphaearth_stats = stats.members["AlphaEarth"]
+            render_alphaearth_tab(alphaearth_ds, grid_gdf, alphaearth_stats)
         tab_index += 1
     if "ArcticDEM" in ensemble.members:
         with tabs[tab_index]: